diff --git a/apps/files_sharing/appinfo/app.php b/apps/files_sharing/appinfo/app.php
index 8f9234c8228a1f5e33cea56881c3cafbca9a289c..5711669815915dc736302d33cfd3e98f7097ea3b 100644
--- a/apps/files_sharing/appinfo/app.php
+++ b/apps/files_sharing/appinfo/app.php
@@ -15,4 +15,4 @@ OCP\Util::addScript('files_sharing', 'share');
 \OC_Hook::connect('OC_Filesystem', 'post_delete', '\OC\Files\Cache\Shared_Updater', 'deleteHook');
 \OC_Hook::connect('OC_Filesystem', 'post_rename', '\OC\Files\Cache\Shared_Updater', 'renameHook');
 \OC_Hook::connect('OCP\Share', 'post_shared', '\OC\Files\Cache\Shared_Updater', 'shareHook');
-\OC_Hook::connect('OCP\Share', 'post_unshare', '\OC\Files\Cache\Shared_Updater', 'shareHook');
\ No newline at end of file
+\OC_Hook::connect('OCP\Share', 'pre_unshare', '\OC\Files\Cache\Shared_Updater', 'shareHook');
\ No newline at end of file
diff --git a/lib/public/share.php b/lib/public/share.php
index 3e5af467d673e09d2921798b1014b15aa1bb9f26..bc404e2963f7650ca14df15f2fab6e32b04fcb76 100644
--- a/lib/public/share.php
+++ b/lib/public/share.php
@@ -406,6 +406,7 @@ class Share {
 			\OC_Hook::emit('OCP\Share', 'pre_unshare', array(
 				'itemType' => $itemType,
 				'itemSource' => $itemSource,
+				'fileSource' => $item['file_source'],
 				'shareType' => $shareType,
 				'shareWith' => $shareWith,
 			));