diff --git a/classes/diskcache.php b/classes/diskcache.php
index 2d46ced4c..7e4a8335d 100644
--- a/classes/diskcache.php
+++ b/classes/diskcache.php
@@ -107,8 +107,10 @@ class DiskCache {
 
 						if ($entry->hasAttribute('poster'))
 							$entry->setAttribute('poster', $src);
-						else
+						else {
 							$entry->setAttribute('src', $src);
+							$entry->removeAttribute("srcset");
+						}
 
 						$need_saving = true;
 					}