diff --git a/oauth2_http/javatests/com/google/auth/oauth2/ExternalAccountCredentialsTest.java b/oauth2_http/javatests/com/google/auth/oauth2/ExternalAccountCredentialsTest.java
index 4fc59596c..d8f5b30e4 100644
--- a/oauth2_http/javatests/com/google/auth/oauth2/ExternalAccountCredentialsTest.java
+++ b/oauth2_http/javatests/com/google/auth/oauth2/ExternalAccountCredentialsTest.java
@@ -1117,8 +1117,8 @@ private GenericJson buildJsonAwsCredential() {
 
     Map<String, String> map = new HashMap<>();
     map.put("environment_id", "aws1");
-    map.put("region_url", "regionUrl");
-    map.put("url", "url");
+    map.put("region_url", "https://169.254.169.254/region");
+    map.put("url", "https://169.254.169.254/");
     map.put("regional_cred_verification_url", "regionalCredVerificationUrl");
     json.put("credential_source", map);