diff --git a/sample/index.html b/sample/index.html
index f30d03e..8f0fded 100644
--- a/sample/index.html
+++ b/sample/index.html
@@ -246,7 +246,7 @@
 
             // generate and inject the diff HTML into the desired place
             document.getElementById("line-by-line").innerHTML = Diff2Html.getPrettyHtml(diffJson, { inputFormat: 'json', showFiles: true, matching: 'lines' });
-            document.getElementById("side-by-side").innerHTML = Diff2Html.getPrettyHtml(diffJson, { inputFormat: 'json', outputFormat: 'side-by-side' });
+            document.getElementById("side-by-side").innerHTML = Diff2Html.getPrettyHtml(diffJson, { inputFormat: 'json', showFiles: true, matching: 'lines', outputFormat: 'side-by-side' });
 
             // collect all the code lines and execute the highlight on them
             var codeLines = document.getElementsByClassName("d2h-code-line-ctn");