diff --git a/brick/config.json b/brick/config.json
index c6529b8..91ad941 100644
--- a/brick/config.json
+++ b/brick/config.json
@@ -4,5 +4,5 @@
   "application_id": "verygood.ventures.test",
   "description": "A generated Very Good Flutter Plugin",
   "publishable": false,
-  "dartFixOutput": true
+  "dart_fix_output": true
 }
diff --git a/brick/hooks/post_gen.dart b/brick/hooks/post_gen.dart
index 47b9d56..53bbfad 100644
--- a/brick/hooks/post_gen.dart
+++ b/brick/hooks/post_gen.dart
@@ -6,7 +6,7 @@ import 'package:very_good_flutter_plugin_hooks/src/cli/cli.dart';
 
 /// The key for the `dartFixOutput` context variable.
 @visibleForTesting
-const dartFixOutputVariableKey = 'dartFixOutput';
+const dartFixOutputVariableKey = 'dart_fix_output';
 
 Future<void> run(
   HookContext context, {