diff --git a/code/ryzom/tools/client/ryzom_installer/CMakeLists.txt b/code/ryzom/tools/client/ryzom_installer/CMakeLists.txt
index b76b0e20d..a8783ed66 100644
--- a/code/ryzom/tools/client/ryzom_installer/CMakeLists.txt
+++ b/code/ryzom/tools/client/ryzom_installer/CMakeLists.txt
@@ -45,7 +45,7 @@ SOURCE_GROUP("Translation Files" FILES ${CLIENT_INSTALL_TRANS} ${CLIENT_INSTALL_
 if(APPLE)
   SET(MACOSX_BUNDLE_INFO_STRING "Ryzom Installer")
   SET(MACOSX_BUNDLE_ICON_FILE "ryzom.icns")
-  SET(MACOSX_BUNDLE_GUI_IDENTIFIER "")
+  SET(MACOSX_BUNDLE_GUI_IDENTIFIER "com.winchgate.RyzomInstaller")
   SET(MACOSX_BUNDLE_LONG_VERSION_STRING ${RYZOM_VERSION})
   SET(MACOSX_BUNDLE_BUNDLE_NAME "Ryzom Installer")
   SET(MACOSX_BUNDLE_SHORT_VERSION_STRING ${RYZOM_VERSION})