diff --git a/apps/files_encryption/ajax/adminrecovery.php b/apps/files_encryption/ajax/adminrecovery.php
index afc9ca984d..6a0186d5a9 100644
--- a/apps/files_encryption/ajax/adminrecovery.php
+++ b/apps/files_encryption/ajax/adminrecovery.php
@@ -20,17 +20,17 @@ $return = false;
 
 $recoveryKeyId = OC_Appconfig::getValue('files_encryption', 'recoveryKeyId');
 
-if (isset($_POST['adminEnableRecovery']) && $_POST['adminEnableRecovery'] === "1") {
+if (isset($_POST['adminEnableRecovery']) && $_POST['adminEnableRecovery'] === '1') {
 
 	$return = \OCA\Encryption\Helper::adminEnableRecovery($recoveryKeyId, $_POST['recoveryPassword']);
 
 	// Return success or failure
 	if ($return) {
-		\OCP\JSON::success(array("data" => array("message" => $l->t('Recovery key successfully enabled'))));
+		\OCP\JSON::success(array('data' => array('message' => $l->t('Recovery key successfully enabled'))));
 	} else {
 		\OCP\JSON::error(array(
-							  "data" => array(
-								  "message" => $l->t(
+							  'data' => array(
+								  'message' => $l->t(
 									  'Could not enable recovery key. Please check your recovery key password!')
 							  )
 						 ));
@@ -39,17 +39,17 @@ if (isset($_POST['adminEnableRecovery']) && $_POST['adminEnableRecovery'] === "1
 // Disable recoveryAdmin
 } elseif (
 	isset($_POST['adminEnableRecovery'])
-	&& "0" === $_POST['adminEnableRecovery']
+	&& '0' === $_POST['adminEnableRecovery']
 ) {
 	$return = \OCA\Encryption\Helper::adminDisableRecovery($_POST['recoveryPassword']);
 
 	// Return success or failure
 	if ($return) {
-		\OCP\JSON::success(array("data" => array("message" => $l->t('Recovery key successfully disabled'))));
+		\OCP\JSON::success(array('data' => array('message' => $l->t('Recovery key successfully disabled'))));
 	} else {
 		\OCP\JSON::error(array(
-							  "data" => array(
-								  "message" => $l->t(
+							  'data' => array(
+								  'message' => $l->t(
 									  'Could not disable recovery key. Please check your recovery key password!')
 							  )
 						 ));
diff --git a/apps/files_encryption/ajax/changeRecoveryPassword.php b/apps/files_encryption/ajax/changeRecoveryPassword.php
index 0103d93375..b0594f967b 100644
--- a/apps/files_encryption/ajax/changeRecoveryPassword.php
+++ b/apps/files_encryption/ajax/changeRecoveryPassword.php
@@ -28,7 +28,7 @@ $result = $util->checkRecoveryPassword($oldPassword);
 
 if ($result) {
 	$keyId = $util->getRecoveryKeyId();
-	$keyPath = '/owncloud_private_key/' . $keyId . ".private.key";
+	$keyPath = '/owncloud_private_key/' . $keyId . '.private.key';
 	$view = new \OC\Files\View('/');
 
 	$proxyStatus = \OC_FileProxy::$enabled;
@@ -46,7 +46,7 @@ if ($result) {
 
 // success or failure
 if ($return) {
-	\OCP\JSON::success(array("data" => array("message" => $l->t('Password successfully changed.'))));
+	\OCP\JSON::success(array('data' => array('message' => $l->t('Password successfully changed.'))));
 } else {
-	\OCP\JSON::error(array("data" => array("message" => $l->t('Could not change the password. Maybe the old password was not correct.'))));
+	\OCP\JSON::error(array('data' => array('message' => $l->t('Could not change the password. Maybe the old password was not correct.'))));
 }
\ No newline at end of file
diff --git a/apps/files_encryption/ajax/userrecovery.php b/apps/files_encryption/ajax/userrecovery.php
index 4b971f2afb..1d0f1ac2d1 100644
--- a/apps/files_encryption/ajax/userrecovery.php
+++ b/apps/files_encryption/ajax/userrecovery.php
@@ -15,7 +15,7 @@ use OCA\Encryption;
 
 if (
 	isset($_POST['userEnableRecovery'])
-	&& (0 == $_POST['userEnableRecovery'] || "1" === $_POST['userEnableRecovery'])
+	&& (0 == $_POST['userEnableRecovery'] || '1' === $_POST['userEnableRecovery'])
 ) {
 
 	$userId = \OCP\USER::getUser();
@@ -25,7 +25,7 @@ if (
 	// Save recovery preference to DB
 	$return = $util->setRecoveryForUser($_POST['userEnableRecovery']);
 
-	if ($_POST['userEnableRecovery'] === "1") {
+	if ($_POST['userEnableRecovery'] === '1') {
 		$util->addRecoveryKeys();
 	} else {
 		$util->removeRecoveryKeys();