diff --git a/cMake/FreeCAD_Helpers/CompilerChecksAndSetups.cmake b/cMake/FreeCAD_Helpers/CompilerChecksAndSetups.cmake
index 445a4865fc1a..4def26bf57c2 100644
--- a/cMake/FreeCAD_Helpers/CompilerChecksAndSetups.cmake
+++ b/cMake/FreeCAD_Helpers/CompilerChecksAndSetups.cmake
@@ -73,7 +73,11 @@ macro(CompilerChecksAndSetups)
             endif()
         else(BUILD_DYNAMIC_LINK_PYTHON)
             if(CMAKE_COMPILER_IS_CLANGXX)
-                set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--undefined,dynamic_lookup")
+                if(APPLE)
+                    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-undefined,dynamic_lookup")
+                elseif(UNIX)
+                    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--undefined,dynamic_lookup")
+                endif()
             endif()
         endif(BUILD_DYNAMIC_LINK_PYTHON)
     endif(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANGXX)
diff --git a/src/Mod/CAM/libarea/CMakeLists.txt b/src/Mod/CAM/libarea/CMakeLists.txt
index 738f863c4183..7616f54b99a0 100644
--- a/src/Mod/CAM/libarea/CMakeLists.txt
+++ b/src/Mod/CAM/libarea/CMakeLists.txt
@@ -163,7 +163,11 @@ target_link_libraries(area area-native ${area_LIBS} ${area_native_LIBS})
 # TODO why CMAKE_SHARED_LINKER_FLAGS is not used here?
 # This is a dirty workaround!
 if(NOT BUILD_DYNAMIC_LINK_PYTHON AND CMAKE_COMPILER_IS_CLANGXX)
-    target_link_libraries(area "-Wl,--undefined,dynamic_lookup")
+    if(APPLE)
+        target_link_libraries(area "-Wl,-undefined,dynamic_lookup")
+    else(UNIX)
+        target_link_libraries(area "-Wl,--undefined,dynamic_lookup")
+    endif()
 endif()
 
 SET_BIN_DIR(area area /Mod/CAM)