diff --git a/java/com/google/gerrit/httpd/raw/IndexHtmlUtil.java b/java/com/google/gerrit/httpd/raw/IndexHtmlUtil.java
index d7e9e44e2c..4c125a70dc 100644
--- a/java/com/google/gerrit/httpd/raw/IndexHtmlUtil.java
+++ b/java/com/google/gerrit/httpd/raw/IndexHtmlUtil.java
@@ -123,6 +123,15 @@ public class IndexHtmlUtil {
     if (urlParameterMap.containsKey("p2")) {
       data.put("polymer2", "true");
     }
+    if (urlParameterMap.containsKey("ce")) {
+      data.put("polyfillCE", "true");
+    }
+    if (urlParameterMap.containsKey("sd")) {
+      data.put("polyfillSD", "true");
+    }
+    if (urlParameterMap.containsKey("sc")) {
+      data.put("polyfillSC", "true");
+    }
     return data.build();
   }