diff --git a/packages/flutter_tools/lib/src/macos/application_package.dart b/packages/flutter_tools/lib/src/macos/application_package.dart
index b2b993476f4..036de96de65 100644
--- a/packages/flutter_tools/lib/src/macos/application_package.dart
+++ b/packages/flutter_tools/lib/src/macos/application_package.dart
@@ -173,7 +173,7 @@ class BuildableMacOSApp extends MacOSApp {
 
   String bundleDirectory(BuildInfo buildInfo) {
     return sentenceCase(buildInfo.mode.cliName) + (buildInfo.flavor != null
-      ? ' ${sentenceCase(buildInfo.flavor!)}'
+      ? '-${buildInfo.flavor!}'
       : '');
   }
 
diff --git a/packages/flutter_tools/test/general.shard/macos/application_package_test.dart b/packages/flutter_tools/test/general.shard/macos/application_package_test.dart
index 40652afe0f7..1edfa137af2 100644
--- a/packages/flutter_tools/test/general.shard/macos/application_package_test.dart
+++ b/packages/flutter_tools/test/general.shard/macos/application_package_test.dart
@@ -167,7 +167,7 @@ group('PrebuiltMacOSApp', () {
 
       const BuildInfo flavoredApp = BuildInfo(BuildMode.release, 'flavor', treeShakeIcons: false);
       applicationBundle = macosApp.bundleDirectory(flavoredApp);
-      expect(applicationBundle, 'Release Flavor');
+      expect(applicationBundle, 'Release-flavor');
 
     }, overrides: overrides);
   });