diff --git a/reactos/ntoskrnl/CMakeLists.txt b/reactos/ntoskrnl/CMakeLists.txt
index be1bd640bae..2bb9e5f87aa 100644
--- a/reactos/ntoskrnl/CMakeLists.txt
+++ b/reactos/ntoskrnl/CMakeLists.txt
@@ -18,7 +18,9 @@ add_definitions(
 
 set_rc_compiler()
 
-set(NEWCC TRUE)
+if(NOT DEFINED NEWCC)
+    set(NEWCC FALSE)
+endif(NOT DEFINED NEWCC)
 
 if(NEWCC)
     add_definitions(-DNEWCC)