diff --git a/reactos/dll/win32/secur32/lsa.c b/reactos/dll/win32/secur32/lsa.c
index f5b0c764c49..07c25111473 100644
--- a/reactos/dll/win32/secur32/lsa.c
+++ b/reactos/dll/win32/secur32/lsa.c
@@ -12,6 +12,9 @@
 
 #include <precomp.h>
 
+#define NDEBUG
+#include <debug.h>
+
 /* GLOBALS *******************************************************************/
 
 extern HANDLE Secur32Heap;