diff --git a/packages/pigeon/lib/pigeon_lib.dart b/packages/pigeon/lib/pigeon_lib.dart
index 9d3bc2ba35fe..c19f4462acd3 100644
--- a/packages/pigeon/lib/pigeon_lib.dart
+++ b/packages/pigeon/lib/pigeon_lib.dart
@@ -351,6 +351,7 @@ options:
       sink = stdout;
     } else {
       file = File(output);
+      file.parent.createSync(recursive: true);
       sink = file.openWrite();
     }
     func(sink);