diff --git a/common/cmd_autoscript.c b/common/cmd_autoscript.c
index 49bd463..7e706c9 100644
--- a/common/cmd_autoscript.c
+++ b/common/cmd_autoscript.c
@@ -106,7 +106,7 @@
 		return 1;
 	}
 
-	debug ("** Script length: %d\n", len);
+	debug ("** Script length: %ld\n", len);
 
 	if ((cmd = malloc (len + 1)) == NULL) {
 		return 1;