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-rw-r--r--apps/files/lib/helper.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/apps/files/lib/helper.php b/apps/files/lib/helper.php
index 709d78a4d45..7692dd67574 100644
--- a/apps/files/lib/helper.php
+++ b/apps/files/lib/helper.php
@@ -40,7 +40,7 @@ class Helper
if($file['isPreviewAvailable']) {
$pathForPreview = $file['directory'] . '/' . $file['name'];
- return \OC_Helper::previewIcon($pathForPreview);
+ return \OC_Helper::previewIcon($pathForPreview) . '&c=' . $file['etag'];
}
return \OC_Helper::mimetypeIcon($file['mimetype']);
}