diff --git a/app/scripts/controllers/metametrics-controller.test.ts b/app/scripts/controllers/metametrics-controller.test.ts
index 99ed4d2e2e48..57c49547c28b 100644
--- a/app/scripts/controllers/metametrics-controller.test.ts
+++ b/app/scripts/controllers/metametrics-controller.test.ts
@@ -309,6 +309,7 @@ describe('MetaMetricsController', function () {
           });
 
           const expectedFragment = merge(
+            {},
             SAMPLE_TX_SUBMITTED_PARTIAL_FRAGMENT,
             SAMPLE_PERSISTED_EVENT_NO_ID,
             {
diff --git a/app/scripts/controllers/metametrics-controller.ts b/app/scripts/controllers/metametrics-controller.ts
index e286a3a47d02..b2030080e3db 100644
--- a/app/scripts/controllers/metametrics-controller.ts
+++ b/app/scripts/controllers/metametrics-controller.ts
@@ -584,7 +584,7 @@ export default class MetaMetricsController extends BaseController<
       : {};
 
     this.update((state) => {
-      state.fragments[id] = merge(additionalFragmentProps, fragment);
+      state.fragments[id] = merge({}, additionalFragmentProps, fragment);
     });
 
     if (fragment.initialEvent) {