gistfile1.txt

diff --git a/browser/components/newtab/metrics.yaml b/browser/components/newtab/metrics.yaml
index 22e15feb592aa..0b301bf013ebc 100644
--- a/browser/components/newtab/metrics.yaml
+++ b/browser/components/newtab/metrics.yaml
@@ -1000,7 +1000,7 @@ messaging_system:
       - chutten@mozilla.com
     expires: never
     send_in_pings:
-      - metrics
+      - messaging-system
 
 
 messaging_system.attribution:
diff --git a/browser/components/newtab/test/xpcshell/test_AboutWelcomeTelemetry.js b/browser/components/newtab/test/xpcshell/test_AboutWelcomeTelemetry.js
index 5ecc20f8044b2..af607c0b2d8d3 100644
--- a/browser/components/newtab/test/xpcshell/test_AboutWelcomeTelemetry.js
+++ b/browser/components/newtab/test/xpcshell/test_AboutWelcomeTelemetry.js
@@ -54,6 +54,9 @@ add_task(async function test_pingPayload() {
   });
   await AWTelemetry.sendTelemetry();
 
+  // make sure that "invalid_nested_ping_data" is in the right place
+  Assert.ok("invalid_nested_data" in Glean.messagingSystem);
+
   equal(stub.callCount, 1, "Call was made");
   // check the endpoint
   ok(