diff --git a/reactos/cmake/gcc.cmake b/reactos/cmake/gcc.cmake
index fc2cd520fd2..35ca75ad22b 100644
--- a/reactos/cmake/gcc.cmake
+++ b/reactos/cmake/gcc.cmake
@@ -11,6 +11,9 @@ endif()
 
 # Compiler Core
 add_compile_flags("-pipe -fms-extensions -fno-strict-aliasing")
+if(GCC_VERSION VERSION_GREATER 4.7)
+    add_compile_flags("-mstackrealign")
+endif()
 
 #bug
 #file(TO_NATIVE_PATH ${REACTOS_SOURCE_DIR} REACTOS_SOURCE_DIR_NATIVE)