diff --git a/core/src/main/java/google/registry/request/RequestModule.java b/core/src/main/java/google/registry/request/RequestModule.java
index eb843bfb1..d31e6917a 100644
--- a/core/src/main/java/google/registry/request/RequestModule.java
+++ b/core/src/main/java/google/registry/request/RequestModule.java
@@ -135,7 +135,8 @@ public final class RequestModule {
   @Provides
   @RequestUrl
   static String provideRequestUrl(HttpServletRequest req) {
-    return req.getRequestURL().toString();
+    String url = req.getRequestURL().toString();
+    return url.startsWith("https") ? url : url.replaceFirst("http", "https");
   }
 
   @Provides