diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8816be82e..a33a63197 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -363,7 +363,7 @@ if(UNIX AND APPLE)
     # Mac bundle settings
     set(MACOSX_BUNDLE_BUNDLE_NAME "${Launcher_DisplayName}")
     set(MACOSX_BUNDLE_INFO_STRING "${Launcher_DisplayName}: A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once.")
-    set(MACOSX_BUNDLE_GUI_IDENTIFIER "org.prismlauncher.${Launcher_Name}")
+    set(MACOSX_BUNDLE_GUI_IDENTIFIER "${Launcher_AppID}")
     set(MACOSX_BUNDLE_BUNDLE_VERSION "${Launcher_VERSION_NAME}")
     set(MACOSX_BUNDLE_SHORT_VERSION_STRING "${Launcher_VERSION_NAME}")
     set(MACOSX_BUNDLE_LONG_VERSION_STRING "${Launcher_VERSION_NAME}")