diff --git a/sbin/ifconfig/ifstf.c b/sbin/ifconfig/ifstf.c
index dc6611b1ea8..94a6612866d 100644
--- a/sbin/ifconfig/ifstf.c
+++ b/sbin/ifconfig/ifstf.c
@@ -74,8 +74,9 @@ stf_status(int s)
 	if (do_cmd(s, STF_GV4NET, &param, sizeof(param), 0) < 0)
 		return;
 
-	printf("\tv4net %s/%d -> tv4br %s\n", inet_ntoa(param.inaddr),
-	    param.prefix, inet_ntoa(param.dstv4_addr));
+	/* inet_ntoa() uses a shared buffer */
+	printf("\tv4net %s/%d ", inet_ntoa(param.inaddr), param.prefix);
+	printf("-> tv4br %s\n", inet_ntoa(param.dstv4_addr));
 }
 
 static void