diff --git a/javatests/google/registry/testing/GoldenFileTestHelper.java b/javatests/google/registry/testing/GoldenFileTestHelper.java
index 370247351..c03c51014 100644
--- a/javatests/google/registry/testing/GoldenFileTestHelper.java
+++ b/javatests/google/registry/testing/GoldenFileTestHelper.java
@@ -37,7 +37,7 @@ public class GoldenFileTestHelper {
   String goldenFileDescription = null;
 
   private static final String UPDATE_COMMAND =
-      "google.registry.tools.RegistryTool -e localhost %1$s > %2$s";
+      "nomulus -e localhost %1$s > %2$s";
 
   private static final String UPDATE_INSTRUCTIONS =
       Joiner.on('\n')