diff --git a/apps/browser/src/autofill/background/overlay.background.spec.ts b/apps/browser/src/autofill/background/overlay.background.spec.ts
index a908a8fb75..f5f9d6ebc5 100644
--- a/apps/browser/src/autofill/background/overlay.background.spec.ts
+++ b/apps/browser/src/autofill/background/overlay.background.spec.ts
@@ -252,7 +252,7 @@ describe("OverlayBackground", () => {
         await flushPromises();
 
         expect(subFrameOffsetsSpy[tabId]).toStrictEqual(
-          new Map([[1, { left: 4, top: 4, url: "url", parentFrameIds: [1, 0] }]]),
+          new Map([[1, { left: 4, top: 4, url: "url", parentFrameIds: [0, 1] }]]),
         );
         expect(pageDetailsForTabSpy[tabId].size).toBe(2);
       });
@@ -279,7 +279,7 @@ describe("OverlayBackground", () => {
 
         expect(getFrameDetailsSpy).toHaveBeenCalledTimes(1);
         expect(subFrameOffsetsSpy[tabId]).toStrictEqual(
-          new Map([[1, { left: 0, top: 0, url: "url", parentFrameIds: [] }]]),
+          new Map([[1, { left: 0, top: 0, url: "url", parentFrameIds: [0] }]]),
         );
       });
 
diff --git a/apps/browser/src/autofill/background/overlay.background.ts b/apps/browser/src/autofill/background/overlay.background.ts
index 36cad8ca65..e4e890702a 100644
--- a/apps/browser/src/autofill/background/overlay.background.ts
+++ b/apps/browser/src/autofill/background/overlay.background.ts
@@ -373,7 +373,7 @@ export class OverlayBackground implements OverlayBackgroundInterface {
       return;
     }
 
-    const subFrameData: SubFrameOffsetData = { url, top: 0, left: 0, parentFrameIds: [] };
+    const subFrameData: SubFrameOffsetData = { url, top: 0, left: 0, parentFrameIds: [0] };
     let frameDetails = await BrowserApi.getFrameDetails({ tabId, frameId });
 
     while (frameDetails && frameDetails.parentFrameId > -1) {
@@ -406,7 +406,9 @@ export class OverlayBackground implements OverlayBackgroundInterface {
 
       subFrameData.top += subFrameOffset.top;
       subFrameData.left += subFrameOffset.left;
-      subFrameData.parentFrameIds.push(frameDetails.parentFrameId);
+      if (!subFrameData.parentFrameIds.includes(frameDetails.parentFrameId)) {
+        subFrameData.parentFrameIds.push(frameDetails.parentFrameId);
+      }
 
       frameDetails = await BrowserApi.getFrameDetails({
         tabId,
diff --git a/apps/browser/src/autofill/services/autofill-overlay-content.service.spec.ts b/apps/browser/src/autofill/services/autofill-overlay-content.service.spec.ts
index b2cb7f1c94..b29173e507 100644
--- a/apps/browser/src/autofill/services/autofill-overlay-content.service.spec.ts
+++ b/apps/browser/src/autofill/services/autofill-overlay-content.service.spec.ts
@@ -1398,7 +1398,7 @@ describe("AutofillOverlayContentService", () => {
               frameId: subFrameId,
               left: 0,
               top: 0,
-              parentFrameIds: [],
+              parentFrameIds: [0],
               subFrameDepth: 0,
             },
           },
diff --git a/apps/browser/src/autofill/services/autofill-overlay-content.service.ts b/apps/browser/src/autofill/services/autofill-overlay-content.service.ts
index 52f8d78352..1061e3bf3a 100644
--- a/apps/browser/src/autofill/services/autofill-overlay-content.service.ts
+++ b/apps/browser/src/autofill/services/autofill-overlay-content.service.ts
@@ -922,7 +922,7 @@ export class AutofillOverlayContentService implements AutofillOverlayContentServ
           frameId: message.subFrameId,
           left: 0,
           top: 0,
-          parentFrameIds: [],
+          parentFrameIds: [0],
           subFrameDepth: 0,
         } as SubFrameDataFromWindowMessage,
       },