diff --git a/lib/private/share20/manager.php b/lib/private/share20/manager.php
index 216c4b9f5c..8d753061c0 100644
--- a/lib/private/share20/manager.php
+++ b/lib/private/share20/manager.php
@@ -33,6 +33,7 @@ use OCP\Files\Folder;
 use OCP\IUser;
 
 use OC\Share20\Exception\ShareNotFound;
+use OC\HintException;
 
 /**
  * This class is the communication hub for all sharing related operations.
@@ -175,7 +176,8 @@ class Manager {
 
 		// Check if we actually have share permissions
 		if (!$share->getPath()->isShareable()) {
-			throw new \InvalidArgumentException('Path is not shareable');
+			$message_t = $this->l->t('You are not allowed to share %s', [$share->getPath()->getPath()]);
+			throw new HintException($message_t, $message_t, 404);
 		}
 
 		// Permissions should be set
@@ -185,7 +187,8 @@ class Manager {
 
 		// Check that we do not share with more permissions than we have
 		if ($share->getPermissions() & ~$share->getPath()->getPermissions()) {
-			throw new \InvalidArgumentException('Cannot increase permissions');
+			$message_t = $this->l->t('Cannot increase permissions of %s', [$share->getPath()->getPath()]);
+			throw new HintException($message_t, $message_t, 404);
 		}
 
 		// Check that read permissions are always set
diff --git a/tests/lib/share20/managertest.php b/tests/lib/share20/managertest.php
index c7f4c0afdf..57e7e11071 100644
--- a/tests/lib/share20/managertest.php
+++ b/tests/lib/share20/managertest.php
@@ -530,22 +530,24 @@ class ManagerTest extends \Test\TestCase {
 
 		$nonShareAble = $this->getMock('\OCP\Files\Folder');
 		$nonShareAble->method('isShareable')->willReturn(false);
+		$nonShareAble->method('getPath')->willReturn('path');
 
-		$data[] = [$this->createShare(null, \OCP\Share::SHARE_TYPE_USER,  $nonShareAble, $user2, $user, $user, 31, null, null), 'Path is not shareable', true];
-		$data[] = [$this->createShare(null, \OCP\Share::SHARE_TYPE_GROUP, $nonShareAble, $group, $user, $user, 31, null, null), 'Path is not shareable', true];
-		$data[] = [$this->createShare(null, \OCP\Share::SHARE_TYPE_LINK,  $nonShareAble, null, $user, $user, 31, null, null), 'Path is not shareable', true];
+		$data[] = [$this->createShare(null, \OCP\Share::SHARE_TYPE_USER,  $nonShareAble, $user2, $user, $user, 31, null, null), 'You are not allowed to share path', true];
+		$data[] = [$this->createShare(null, \OCP\Share::SHARE_TYPE_GROUP, $nonShareAble, $group, $user, $user, 31, null, null), 'You are not allowed to share path', true];
+		$data[] = [$this->createShare(null, \OCP\Share::SHARE_TYPE_LINK,  $nonShareAble, null, $user, $user, 31, null, null), 'You are not allowed to share path', true];
 
 		$limitedPermssions = $this->getMock('\OCP\Files\File');
 		$limitedPermssions->method('isShareable')->willReturn(true);
 		$limitedPermssions->method('getPermissions')->willReturn(\OCP\Constants::PERMISSION_READ);
+		$limitedPermssions->method('getPath')->willReturn('path');
 
 		$data[] = [$this->createShare(null, \OCP\Share::SHARE_TYPE_USER,  $limitedPermssions, $user2, $user, $user, null, null, null), 'A share requires permissions', true];
 		$data[] = [$this->createShare(null, \OCP\Share::SHARE_TYPE_GROUP, $limitedPermssions, $group, $user, $user, null, null, null), 'A share requires permissions', true];
 		$data[] = [$this->createShare(null, \OCP\Share::SHARE_TYPE_LINK,  $limitedPermssions, null, $user, $user, null, null, null), 'A share requires permissions', true];
 
-		$data[] = [$this->createShare(null, \OCP\Share::SHARE_TYPE_USER,  $limitedPermssions, $user2, $user, $user, 31, null, null), 'Cannot increase permissions', true];
-		$data[] = [$this->createShare(null, \OCP\Share::SHARE_TYPE_GROUP, $limitedPermssions, $group, $user, $user, 17, null, null), 'Cannot increase permissions', true];
-		$data[] = [$this->createShare(null, \OCP\Share::SHARE_TYPE_LINK,  $limitedPermssions, null, $user, $user, 3, null, null), 'Cannot increase permissions', true];
+		$data[] = [$this->createShare(null, \OCP\Share::SHARE_TYPE_USER,  $limitedPermssions, $user2, $user, $user, 31, null, null), 'Cannot increase permissions of path', true];
+		$data[] = [$this->createShare(null, \OCP\Share::SHARE_TYPE_GROUP, $limitedPermssions, $group, $user, $user, 17, null, null), 'Cannot increase permissions of path', true];
+		$data[] = [$this->createShare(null, \OCP\Share::SHARE_TYPE_LINK,  $limitedPermssions, null, $user, $user, 3, null, null), 'Cannot increase permissions of path', true];
 
 		$allPermssions = $this->getMock('\OCP\Files\Folder');
 		$allPermssions->method('isShareable')->willReturn(true);
@@ -574,6 +576,9 @@ class ManagerTest extends \Test\TestCase {
 		try {
 			$this->invokePrivate($this->manager, 'generalCreateChecks', [$share]);
 			$thrown = false;
+		} catch (\OC\HintException $e) {
+			$this->assertEquals($exceptionMessage, $e->getHint());
+			$thrown = true;
 		} catch(\InvalidArgumentException $e) {
 			$this->assertEquals($exceptionMessage, $e->getMessage());
 			$thrown = true;