diff --git a/src/main/webapp/assets/common/js/gitbucket.js b/src/main/webapp/assets/common/js/gitbucket.js
index e1e75a2..df1f500 100644
--- a/src/main/webapp/assets/common/js/gitbucket.js
+++ b/src/main/webapp/assets/common/js/gitbucket.js
@@ -606,7 +606,7 @@
       .css({marginTop:size.height-5});
     var bar = $('<hr class="diff-silde-bar">').css({top:size.height+size.paddingTop});
     var div = $('<div class="diff-image-stack">')
-      .css({height:size.height+size.paddingTop, paddingLeft:size.padding})
+      .css({height:size.height+size.paddingTop*2, paddingLeft:size.padding})
       .append(diffOld, diffNew, bar, handle);
     return {
       neo:diffNew,