diff --git a/lib/private/response.php b/lib/private/response.php
index f1a429463f28ff370e9396105c0e3681f17949a0..14ee92972a9c9f40a7803d89a519a0fe90e32345 100644
--- a/lib/private/response.php
+++ b/lib/private/response.php
@@ -247,7 +247,7 @@ class OC_Response {
 			. 'script-src \'self\' \'unsafe-eval\'; '
 			. 'style-src \'self\' \'unsafe-inline\'; '
 			. 'frame-src *; '
-			. 'img-src *; '
+			. 'img-src * data:; '
 			. 'font-src \'self\' data:; '
 			. 'media-src *; ' 
 			. 'connect-src *';