diff --git a/reactos/lib/sdk/crt/include/internal/safecrt.h b/reactos/lib/sdk/crt/include/internal/safecrt.h
new file mode 100644
index 00000000000..fea4edd6584
--- /dev/null
+++ b/reactos/lib/sdk/crt/include/internal/safecrt.h
@@ -0,0 +1,10 @@
+
+extern void * __pInvalidArgHandler;
+
+void _invalid_parameter(
+   const wchar_t * expression,
+   const wchar_t * function, 
+   const wchar_t * file, 
+   unsigned int line,
+   uintptr_t pReserved);
+