diff --git a/src/argv/ntapi_tt_array_utf8.c b/src/argv/ntapi_tt_array_utf8.c
index 03a0837..6c061f4 100644
--- a/src/argv/ntapi_tt_array_utf8.c
+++ b/src/argv/ntapi_tt_array_utf8.c
@@ -122,7 +122,8 @@ int32_t __stdcall __ntapi_tt_array_convert_utf8_to_utf16(
 	(void)base;
 	(void)buffer;
 	(void)buffer_len;
-	(void)bytes_written;
+
+	*bytes_written = 0;
 
 	return NT_STATUS_SUCCESS;
 }