diff --git a/reactos/cmake/CMakeMacros.cmake b/reactos/cmake/CMakeMacros.cmake
index 4f95ca56de2..0ac3fe528a8 100644
--- a/reactos/cmake/CMakeMacros.cmake
+++ b/reactos/cmake/CMakeMacros.cmake
@@ -265,7 +265,7 @@ function(set_module_type MODULE TYPE)
     
     #set unicode definitions
     if(__module_UNICODE)
-        add_target_compile_definitions(${MODULE} -DUNICODE -D_UNICODE)
+        add_target_compile_definitions(${MODULE} UNICODE _UNICODE)
     endif()
     
     # set entry point