diff --git a/source/wserv.c b/source/wserv.c
index 39627f4..f552daf 100644
--- a/source/wserv.c
+++ b/source/wserv.c
@@ -73,7 +73,7 @@ int main (int argc, char **argv)
 	 * can grab the size of the tty, and have it changed.
 	 */
 	tmp = ttyname(0);
-	sprintf(stuff, "%s\n", tmp);
+	snprintf(stuff, sizeof stuff, "%s\n", tmp);
 	t = write(s, stuff, strlen(stuff));
 	term_init(NULL);
 	printf("t is %d", t);