diff --git a/xtrn/sdk/xsdk.c b/xtrn/sdk/xsdk.c
index 52549135666e1da830568f5b60f6f6c75c1b18a6..0252bd8cd0e8970c7c893dd5ce582dc9542e7119 100644
--- a/xtrn/sdk/xsdk.c
+++ b/xtrn/sdk/xsdk.c
@@ -580,8 +580,8 @@ int keyhit()
 /****************************************************************************/
 char inkey(long mode)
 {
-	static in_ctrl_p;
-	static ansi_len;
+	static int in_ctrl_p;
+	static int ansi_len;
 	uchar ch=0,hour,min,sec;
 	long tleft;
 	int i=0;