diff --git a/mac/Emacs.app/Contents/Info.plist b/mac/Emacs.app/Contents/Info.plist
index 49de7d9e15a..afcf6cc3423 100644
--- a/mac/Emacs.app/Contents/Info.plist
+++ b/mac/Emacs.app/Contents/Info.plist
@@ -26,7 +26,7 @@
 	<key>CFBundleIconFile</key>
 	<string>Emacs.icns</string>
 	<key>CFBundleIdentifier</key>
-	<string>com.gnu.Emacs</string>
+	<string>org.gnu.Emacs</string>
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundlePackageType</key>