diff --git a/reactos/cmake/Compiler/VISUAL-ASM.cmake b/reactos/cmake/Compiler/VISUAL-ASM.cmake
new file mode 100644
index 00000000000..0f8019a8e80
--- /dev/null
+++ b/reactos/cmake/Compiler/VISUAL-ASM.cmake
@@ -0,0 +1,2 @@
+
+set(CMAKE_ASM_SOURCE_FILE_EXTENSIONS s;S)