diff --git a/apps/browser/src/autofill/content/autofill-init.spec.ts b/apps/browser/src/autofill/content/autofill-init.spec.ts
index eb8ed0a36df..11b58e6e74f 100644
--- a/apps/browser/src/autofill/content/autofill-init.spec.ts
+++ b/apps/browser/src/autofill/content/autofill-init.spec.ts
@@ -155,6 +155,24 @@ describe("AutofillInit", () => {
         autofillInit.init();
       });
 
+      it("triggers extension message handlers from the AutofillOverlayContentService", () => {
+        autofillOverlayContentService.extensionMessageHandlers.messageHandler = jest.fn();
+
+        sendMockExtensionMessage({ command: "messageHandler" }, sender, sendResponse);
+
+        expect(
+          autofillOverlayContentService.extensionMessageHandlers.messageHandler,
+        ).toHaveBeenCalled();
+      });
+
+      it("triggers extension message handlers from the AutofillInlineMenuContentService", () => {
+        inlineMenuElements.extensionMessageHandlers.messageHandler = jest.fn();
+
+        sendMockExtensionMessage({ command: "messageHandler" }, sender, sendResponse);
+
+        expect(inlineMenuElements.extensionMessageHandlers.messageHandler).toHaveBeenCalled();
+      });
+
       describe("collectPageDetails", () => {
         it("sends the collected page details for autofill using a background script message", async () => {
           const pageDetails: AutofillPageDetails = {
diff --git a/apps/browser/src/autofill/content/autofill-init.ts b/apps/browser/src/autofill/content/autofill-init.ts
index d28af1f65fd..993b4b207a1 100644
--- a/apps/browser/src/autofill/content/autofill-init.ts
+++ b/apps/browser/src/autofill/content/autofill-init.ts
@@ -190,6 +190,11 @@ class AutofillInit implements AutofillInitInterface {
     return true;
   };
 
+  /**
+   * Gets the extension message handler for the given command.
+   *
+   * @param command - The extension message command.
+   */
   private getExtensionMessageHandler(command: string): CallableFunction | undefined {
     if (this.autofillOverlayContentService?.extensionMessageHandlers?.[command]) {
       return this.autofillOverlayContentService.extensionMessageHandlers[command];