diff --git a/rtengine/CMakeLists.txt b/rtengine/CMakeLists.txt
index 8d13f0d6e..5f59da371 100644
--- a/rtengine/CMakeLists.txt
+++ b/rtengine/CMakeLists.txt
@@ -195,8 +195,4 @@ target_link_libraries(rtengine rtexif
     ${KLT_LIBRARIES}
 )
 
-if(APPLE)
-    install(FILES ${CAMCONSTSFILE} DESTINATION "${DATADIR}" PERMISSIONS OWNER_WRITE OWNER_READ GROUP_READ WORLD_READ)
-else()
-    install(FILES ${CAMCONSTSFILE} DESTINATION "${DATADIR}" PERMISSIONS OWNER_WRITE OWNER_READ GROUP_READ WORLD_READ)
-endif()
+install(FILES ${CAMCONSTSFILE} DESTINATION "${DATADIR}" PERMISSIONS OWNER_WRITE OWNER_READ GROUP_READ WORLD_READ)