diff --git a/mkspecs/macx-clang/Info.plist.app b/mkspecs/macx-clang/Info.plist.app
index fa592af089..9ee6a6bf0e 100644
--- a/mkspecs/macx-clang/Info.plist.app
+++ b/mkspecs/macx-clang/Info.plist.app
@@ -20,5 +20,7 @@
 	<string>NSApplication</string>
 	<key>NSSupportsAutomaticGraphicsSwitching</key>
 	<true/>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>English</string>
 </dict>
 </plist>