diff --git a/cockatrice/CMakeLists.txt b/cockatrice/CMakeLists.txt
index 50f02357..b127e414 100644
--- a/cockatrice/CMakeLists.txt
+++ b/cockatrice/CMakeLists.txt
@@ -243,7 +243,7 @@ endif()
 if(UNIX)
     if(APPLE)
         set(MACOSX_BUNDLE_INFO_STRING "${PROJECT_NAME}")
-        set(MACOSX_BUNDLE_GUI_IDENTIFIER "com.daenyth.${PROJECT_NAME}")
+        set(MACOSX_BUNDLE_GUI_IDENTIFIER "com.cockatrice.${PROJECT_NAME}")
         set(MACOSX_BUNDLE_LONG_VERSION_STRING "${PROJECT_NAME}-${PROJECT_VERSION}")
         set(MACOSX_BUNDLE_BUNDLE_NAME ${PROJECT_NAME})
         set(MACOSX_BUNDLE_SHORT_VERSION_STRING ${PROJECT_VERSION})
diff --git a/oracle/CMakeLists.txt b/oracle/CMakeLists.txt
index 3ec383f5..344488b3 100644
--- a/oracle/CMakeLists.txt
+++ b/oracle/CMakeLists.txt
@@ -112,7 +112,7 @@ endif()
 if(UNIX)
     if(APPLE)
         set(MACOSX_BUNDLE_INFO_STRING "${PROJECT_NAME}")
-        set(MACOSX_BUNDLE_GUI_IDENTIFIER "com.daenyth.${PROJECT_NAME}")
+        set(MACOSX_BUNDLE_GUI_IDENTIFIER "com.cockatrice.${PROJECT_NAME}")
         set(MACOSX_BUNDLE_LONG_VERSION_STRING "${PROJECT_NAME}-${PROJECT_VERSION}")
         set(MACOSX_BUNDLE_BUNDLE_NAME ${PROJECT_NAME})
         set(MACOSX_BUNDLE_SHORT_VERSION_STRING ${PROJECT_VERSION})
diff --git a/servatrice/CMakeLists.txt b/servatrice/CMakeLists.txt
index 383cd303..4f407658 100644
--- a/servatrice/CMakeLists.txt
+++ b/servatrice/CMakeLists.txt
@@ -109,7 +109,7 @@ endif()
 if(UNIX)
     if(APPLE)
         set(MACOSX_BUNDLE_INFO_STRING "${PROJECT_NAME}")
-        set(MACOSX_BUNDLE_GUI_IDENTIFIER "com.daenyth.${PROJECT_NAME}")
+        set(MACOSX_BUNDLE_GUI_IDENTIFIER "com.cockatrice.${PROJECT_NAME}")
         set(MACOSX_BUNDLE_LONG_VERSION_STRING "${PROJECT_NAME}-${PROJECT_VERSION}")
         set(MACOSX_BUNDLE_BUNDLE_NAME ${PROJECT_NAME})
         set(MACOSX_BUNDLE_SHORT_VERSION_STRING ${PROJECT_VERSION})