diff --git a/core/src/test/java/google/registry/testing/CloudTasksHelper.java b/core/src/test/java/google/registry/testing/CloudTasksHelper.java
index 382968742..e2de09e5b 100644
--- a/core/src/test/java/google/registry/testing/CloudTasksHelper.java
+++ b/core/src/test/java/google/registry/testing/CloudTasksHelper.java
@@ -188,7 +188,12 @@ public class CloudTasksHelper implements Serializable {
 
     String taskName;
     String service;
-    HttpMethod method;
+    // App Engine TaskOption methods default to "POST".  This isn't obvious from the code, so we
+    // default it to POST here so that we don't accidentally create an entry with a GET method when
+    // converting to CloudTaskUtils, which requires that the method be specified explicitly.
+    // Should we ever actually want to do a GET, we'll likewise have to set this explicitly for the
+    // tests.
+    HttpMethod method = HttpMethod.POST;
     String url;
     Multimap<String, String> headers = ArrayListMultimap.create();
     Multimap<String, String> params = ArrayListMultimap.create();