diff --git a/src/WINNT/afsd/afsd.h b/src/WINNT/afsd/afsd.h
index 6109885ec8..afc97d95ff 100644
--- a/src/WINNT/afsd/afsd.h
+++ b/src/WINNT/afsd/afsd.h
@@ -128,7 +128,7 @@ extern HANDLE WaitToTerminate;
 #define CAPABILITY_ERRORTRANS (1<<0)
 #define CAPABILITY_BITS 1
 
-#undef  DFS_SUPPORT 1
+#undef  DFS_SUPPORT
 #define LOG_PACKET 1
 #undef  NOTSERVICE