diff --git a/misc/ss.c b/misc/ss.c
index d0eadd50..4454bd16 100644
--- a/misc/ss.c
+++ b/misc/ss.c
@@ -3008,10 +3008,12 @@ static int unix_show_sock(const struct sockaddr_nl *addr, struct nlmsghdr *nlh,
 
 		memcpy(name, RTA_DATA(tb[UNIX_DIAG_NAME]), len);
 		name[len] = '\0';
-		if (name[0] == '\0')
-			for (int i = 0; i < len; i++)
+		if (name[0] == '\0') {
+			int i;
+			for (i = 0; i < len; i++)
 				if (name[i] == '\0')
 					name[i] = '@';
+		}
 		stat.name = &name[0];
 		memcpy(stat.local.data, &stat.name, sizeof(stat.name));
 	}