Ticket #33981: 33981.patch

src/wp-includes/media.php

@@ -1580 +1580 @@
 
         $style = '';
         if ( $caption_width ) {
-                $style = 'style="width: ' . (int) $caption_width . 'px" ';
+                $style = 'style="max-width: ' . (int) $caption_width . 'px" ';
         }
 
         if ( $html5 ) {