diff --git a/apps/files/ajax/delete.php b/apps/files/ajax/delete.php
index bb1f3fff87..293543c547 100644
--- a/apps/files/ajax/delete.php
+++ b/apps/files/ajax/delete.php
@@ -29,12 +29,12 @@ $maxHumanFilesize=$l->t('Upload') . ' max. '.$maxHumanFilesize;
 
 if($success) {
 	OCP\JSON::success(array("data" => array( "dir" => $dir, "files" => $files,
-        'uploadMaxFilesize'=>$maxUploadFilesize,
-        'maxHumanFilesize'=>$maxHumanFilesize
-    )));
+		'uploadMaxFilesize'=>$maxUploadFilesize,
+		'maxHumanFilesize'=>$maxHumanFilesize
+	)));
 } else {
 	OCP\JSON::error(array("data" => array( "message" => "Could not delete:\n" . $filesWithError,
-        'uploadMaxFilesize'=>$maxUploadFilesize,
-        'maxHumanFilesize'=>$maxHumanFilesize
-    )));
+		'uploadMaxFilesize'=>$maxUploadFilesize,
+		'maxHumanFilesize'=>$maxHumanFilesize
+	)));
 }
diff --git a/apps/files/ajax/upload.php b/apps/files/ajax/upload.php
index 3546309598..9339801960 100644
--- a/apps/files/ajax/upload.php
+++ b/apps/files/ajax/upload.php
@@ -18,9 +18,9 @@ $maxHumanFilesize=$l->t('Upload') . ' max. '.$maxHumanFilesize;
 
 if (!isset($_FILES['files'])) {
 	OCP\JSON::error(array('data' => array( 'message' => $l->t( 'No file was uploaded. Unknown error' ),
-        'uploadMaxFilesize'=>$maxUploadFilesize,
-        'maxHumanFilesize'=>$maxHumanFilesize
-    )));
+		'uploadMaxFilesize'=>$maxUploadFilesize,
+		'maxHumanFilesize'=>$maxHumanFilesize
+	)));
 	exit();
 }
 
@@ -38,9 +38,9 @@ foreach ($_FILES['files']['error'] as $error) {
 			UPLOAD_ERR_CANT_WRITE=>$l->t('Failed to write to disk'),
 		);
 		OCP\JSON::error(array('data' => array( 'message' => $errors[$error],
-            'uploadMaxFilesize'=>$maxUploadFilesize,
-            'maxHumanFilesize'=>$maxHumanFilesize
-        )));
+			'uploadMaxFilesize'=>$maxUploadFilesize,
+			'maxHumanFilesize'=>$maxHumanFilesize
+		)));
 		exit();
 	}
 }
@@ -55,8 +55,8 @@ foreach($files['size'] as $size) {
 }
 if($totalSize>OC_Filesystem::free_space($dir)) {
 	OCP\JSON::error(array('data' => array( 'message' => $l->t( 'Not enough space available' ),
-        'uploadMaxFilesize'=>$maxUploadFilesize,
-        'maxHumanFilesize'=>$maxHumanFilesize)));
+		'uploadMaxFilesize'=>$maxUploadFilesize,
+		'maxHumanFilesize'=>$maxHumanFilesize)));
 	exit();
 }
 
@@ -70,19 +70,19 @@ if(strpos($dir, '..') === false) {
 		if(is_uploaded_file($files['tmp_name'][$i]) and OC_Filesystem::fromTmpFile($files['tmp_name'][$i], $target)) {
 			$meta = OC_FileCache::get($target);
 			$id = OC_FileCache::getId($target);
-            // updated max file size after upload
-            $maxUploadFilesize=OCP\Util::maxUploadFilesize($dir);
-            $maxHumanFilesize=OCP\Util::humanFileSize($maxUploadFilesize);
-            $maxHumanFilesize=$l->t('Upload') . ' max. '.$maxHumanFilesize;
+			// updated max file size after upload
+			$maxUploadFilesize=OCP\Util::maxUploadFilesize($dir);
+			$maxHumanFilesize=OCP\Util::humanFileSize($maxUploadFilesize);
+			$maxHumanFilesize=$l->t('Upload') . ' max. '.$maxHumanFilesize;
 
-            $result[]=array( 'status' => 'success',
+			$result[]=array( 'status' => 'success',
 				'mime'=>$meta['mimetype'],
 				'size'=>$meta['size'],
 				'id'=>$id,
 				'name'=>basename($target),
-                'uploadMaxFilesize'=>$maxUploadFilesize,
-                'maxHumanFilesize'=>$maxHumanFilesize
-            );
+				'uploadMaxFilesize'=>$maxUploadFilesize,
+				'maxHumanFilesize'=>$maxHumanFilesize
+			);
 		}
 	}
 	OCP\JSON::encodedPrint($result);
@@ -92,6 +92,6 @@ if(strpos($dir, '..') === false) {
 }
 
 OCP\JSON::error(array('data' => array('message' => $error,
-    'uploadMaxFilesize'=>$maxUploadFilesize,
-    'maxHumanFilesize'=>$maxHumanFilesize
+	'uploadMaxFilesize'=>$maxUploadFilesize,
+	'maxHumanFilesize'=>$maxHumanFilesize
 )));
diff --git a/apps/files/js/files.js b/apps/files/js/files.js
index 440aeeaf6a..a4836e6c50 100644
--- a/apps/files/js/files.js
+++ b/apps/files/js/files.js
@@ -26,23 +26,23 @@ Files={
 		});
 		procesSelection();
 	},
-    updateMaxUploadFilesize:function(response) {
-        if(response == undefined) {
-            return;
-        }
-        if(response.data !== undefined && response.data.uploadMaxFilesize !== undefined) {
-            $('#max_upload').val(response.data.uploadMaxFilesize);
-            $('#data-upload-form a').attr('original-title', response.data.maxHumanFilesize);
-        }
-        if(response[0] == undefined) {
-            return;
-        }
-        if(response[0].uploadMaxFilesize !== undefined) {
-            $('#max_upload').val(response[0].uploadMaxFilesize);
-            $('#data-upload-form a').attr('original-title', response[0].maxHumanFilesize);
-        }
+	updateMaxUploadFilesize:function(response) {
+		if(response == undefined) {
+			return;
+		}
+		if(response.data !== undefined && response.data.uploadMaxFilesize !== undefined) {
+			$('#max_upload').val(response.data.uploadMaxFilesize);
+			$('#data-upload-form a').attr('original-title', response.data.maxHumanFilesize);
+		}
+		if(response[0] == undefined) {
+			return;
+		}
+		if(response[0].uploadMaxFilesize !== undefined) {
+			$('#max_upload').val(response[0].uploadMaxFilesize);
+			$('#data-upload-form a').attr('original-title', response[0].maxHumanFilesize);
+		}
 
-    },
+	},
 	isFileNameValid:function (name) {
 		if (name === '.') {
 			$('#notification').text(t('files', '\'.\' is an invalid file name.'));
@@ -333,7 +333,7 @@ $(document).ready(function() {
 												$('#notification').text(t('files', response.data.message));
 												$('#notification').fadeIn();
 											}
-                                            Files.updateMaxUploadFilesize(response);
+											Files.updateMaxUploadFilesize(response);
 											var file=response[0];
 											// TODO: this doesn't work if the file name has been changed server side
 											delete uploadingFiles[dirName][file.name];
@@ -386,9 +386,9 @@ $(document).ready(function() {
 										.success(function(result, textStatus, jqXHR) {
 											var response;
 											response=jQuery.parseJSON(result);
-                                            Files.updateMaxUploadFilesize(response);
+											Files.updateMaxUploadFilesize(response);
 
-                                            if(response[0] != undefined && response[0].status == 'success') {
+											if(response[0] != undefined && response[0].status == 'success') {
 												var file=response[0];
 												delete uploadingFiles[file.name];
 												$('tr').filterAttr('data-file',file.name).data('mime',file.mime).data('id',file.id);
@@ -421,8 +421,8 @@ $(document).ready(function() {
 						data.submit().success(function(data, status) {
 							// in safari data is a string
 							response = jQuery.parseJSON(typeof data === 'string' ? data : data[0].body.innerText);
-                            Files.updateMaxUploadFilesize(response);
-                            if(response[0] != undefined && response[0].status == 'success') {
+							Files.updateMaxUploadFilesize(response);
+							if(response[0] != undefined && response[0].status == 'success') {
 								var file=response[0];
 								delete uploadingFiles[file.name];
 								$('tr').filterAttr('data-file',file.name).data('mime',file.mime).data('id',file.id);
@@ -787,7 +787,7 @@ scanFiles.scanning=false;
 
 function boolOperationFinished(data, callback) {
 	result = jQuery.parseJSON(data.responseText);
-    Files.updateMaxUploadFilesize(result);
+	Files.updateMaxUploadFilesize(result);
 	if(result.status == 'success'){
 		callback.call();
 	} else {
diff --git a/lib/helper.php b/lib/helper.php
index eb07550d22..f19ab529bf 100644
--- a/lib/helper.php
+++ b/lib/helper.php
@@ -695,8 +695,8 @@ class OC_Helper {
 		$start = intval($start);
 		$length = intval($length);
 		$string = mb_substr($string, 0, $start, $encoding) .
-		          $replacement .
-		          mb_substr($string, $start+$length, mb_strlen($string, 'UTF-8')-$start, $encoding);
+			$replacement .
+			mb_substr($string, $start+$length, mb_strlen($string, 'UTF-8')-$start, $encoding);
 
 		return $string;
 	}
@@ -764,22 +764,22 @@ class OC_Helper {
 		return $str;
 	}
 
-    /**
-     * @brief calculates the maximum upload size respecting system settings, free space and user quota
-     *
-     * @param $dir the current folder where the user currently operates
-     * @return number of bytes representing
-     */
-    public static function maxUploadFilesize($dir) {
-        $upload_max_filesize = OCP\Util::computerFileSize(ini_get('upload_max_filesize'));
-        $post_max_size = OCP\Util::computerFileSize(ini_get('post_max_size'));
-        $maxUploadFilesize = min($upload_max_filesize, $post_max_size);
+	/**
+	 * @brief calculates the maximum upload size respecting system settings, free space and user quota
+	 *
+	 * @param $dir the current folder where the user currently operates
+	 * @return number of bytes representing
+	 */
+	public static function maxUploadFilesize($dir) {
+		$upload_max_filesize = OCP\Util::computerFileSize(ini_get('upload_max_filesize'));
+		$post_max_size = OCP\Util::computerFileSize(ini_get('post_max_size'));
+		$maxUploadFilesize = min($upload_max_filesize, $post_max_size);
 
-        $freeSpace = OC_Filesystem::free_space($dir);
-        $freeSpace = max($freeSpace, 0);
+		$freeSpace = OC_Filesystem::free_space($dir);
+		$freeSpace = max($freeSpace, 0);
 
-        return min($maxUploadFilesize, $freeSpace);
-    }
+		return min($maxUploadFilesize, $freeSpace);
+	}
 
 	/**
 	 * Checks if a function is available
diff --git a/lib/public/util.php b/lib/public/util.php
index 2dcf11faa7..c4ac2715f3 100644
--- a/lib/public/util.php
+++ b/lib/public/util.php
@@ -203,7 +203,7 @@ class Util {
 		$host_name = self::getServerHostName();
 		// handle localhost installations
 		if ($host_name === 'localhost') {
-            $host_name = "example.com";
+			$host_name = "example.com";
 		}
 		return $user_part.'@'.$host_name;
 	}
@@ -368,13 +368,13 @@ class Util {
 		return(\OC_Helper::recursiveArraySearch($haystack, $needle, $index));
 	}
 
-    /**
-     * @brief calculates the maximum upload size respecting system settings, free space and user quota
-     *
-     * @param $dir the current folder where the user currently operates
-     * @return number of bytes representing
-     */
-    public static function maxUploadFilesize($dir) {
-        return \OC_Helper::maxUploadFilesize($dir);
-    }
+	/**
+	 * @brief calculates the maximum upload size respecting system settings, free space and user quota
+	 *
+	 * @param $dir the current folder where the user currently operates
+	 * @return number of bytes representing
+	 */
+	public static function maxUploadFilesize($dir) {
+		return \OC_Helper::maxUploadFilesize($dir);
+	}
 }