diff --git a/packages/dev-middleware/src/middleware/openDebuggerMiddleware.js b/packages/dev-middleware/src/middleware/openDebuggerMiddleware.js
index 56786060ad7ddb..22105f07d5ba4a 100644
--- a/packages/dev-middleware/src/middleware/openDebuggerMiddleware.js
+++ b/packages/dev-middleware/src/middleware/openDebuggerMiddleware.js
@@ -160,6 +160,7 @@ export default function openDebuggerMiddleware({
           launchType,
           status: 'error',
           error: e,
+          prefersFuseboxFrontend: useFuseboxEntryPoint ?? false,
         });
         return;
       }
diff --git a/packages/dev-middleware/src/types/EventReporter.js b/packages/dev-middleware/src/types/EventReporter.js
index c6f2de877c5a58..f578f745cf3a6f 100644
--- a/packages/dev-middleware/src/types/EventReporter.js
+++ b/packages/dev-middleware/src/types/EventReporter.js
@@ -16,6 +16,7 @@ type SuccessResult<Props: {...} | void = {}> = {
 type ErrorResult<ErrorT = mixed> = {
   status: 'error',
   error: ErrorT,
+  prefersFuseboxFrontend?: ?boolean,
 };
 
 type CodedErrorResult<ErrorCode: string> = {