diff --git a/projects/fal/src/fal/api/api.py b/projects/fal/src/fal/api/api.py
index 2897037f0..557e733fa 100644
--- a/projects/fal/src/fal/api/api.py
+++ b/projects/fal/src/fal/api/api.py
@@ -1293,7 +1293,10 @@ async def not_found_exception_handler(request: Request, exc: HTTPException):
                 headers = dict(exc.headers) if exc.headers else {}
                 headers["x-fal-billable-units"] = "0"
                 return JSONResponse(
-                    {"detail": f"Path {request.url.path} not found"},
+                    {
+                        "detail": f"Path {request.url.path} not found",
+                        "error_code": "path_does_not_exist",
+                    },
                     404,
                     headers=headers,
                 )