diff --git a/reactos/subsys/system/cmd/prompt.c b/reactos/subsys/system/cmd/prompt.c
index 0ef0bac23bd..71a76de0d8d 100644
--- a/reactos/subsys/system/cmd/prompt.c
+++ b/reactos/subsys/system/cmd/prompt.c
@@ -193,6 +193,7 @@ VOID PrintPrompt(VOID)
 
 INT cmd_prompt (LPTSTR cmd, LPTSTR param)
 {	
+	LPTSTR szParam;
 	if (!_tcsncmp (param, _T("/?"), 2))
 	{
 		ConOutResPaging(TRUE,STRING_PROMPT_HELP1);