src/tool_getparam.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/tool_getparam.c b/src/tool_getparam.c
index e446762..a3be6ac 100644
--- a/src/tool_getparam.c
+++ b/src/tool_getparam.c
@@ -562,8 +562,13 @@ static void cleanarg(argv_item_t str)
    * argument out so that the username:password isn't displayed in the
    * system process list */
   if(str) {
+#ifdef _UNICODE
+    size_t len = wcslen(str);
+    wmemset(str, L' ', len);
+#else
     size_t len = strlen(str);
     memset(str, ' ', len);
+#endif
   }
 }
 #else