--- CMakeLists.txt	2024-01-13 23:48:26
+++ CMakeLists.txt	2024-01-13 23:48:42
@@ -827,7 +827,7 @@
 ########### Set some global variables ###########
 IF(UNIX AND NOT WIN32)
      IF(APPLE)
-          SET(CMAKE_INSTALL_PREFIX "${PROJECT_BINARY_DIR}/Stellarium.app/Contents")
+          SET(CMAKE_INSTALL_PREFIX "${MP_APPLICATIONS_DIR}/Stellarium.app/Contents")
      ELSE()
           ADD_DEFINITIONS(-DINSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/${SDATALOC}")          
           # Used in generating the documentation (doc/stellarium.pod.cmake):
