src/main/java/com/gitblit/wicket/pages/ComparePage.java
@@ -113,7 +113,7 @@ toCommitId.setObject(endId); final List<String> imageExtensions = app().settings().getStrings(Keys.web.imageExtensions); final ImageDiffHandler handler = new ImageDiffHandler(getContextUrl(), repositoryName, final ImageDiffHandler handler = new ImageDiffHandler(this, repositoryName, fromCommit.getName(), toCommit.getName(), imageExtensions); final DiffOutput diff = DiffUtils.getDiff(r, fromCommit, toCommit, DiffOutputType.HTML, handler);