--- iputils/ping.c
+++ iputils/ping.c
@@ -125,7 +125,11 @@
 	socket_errno = errno;
 
 	uid = getuid();
-	setuid(uid);
+	if(setuid(uid) != 0)
+	{
+		perror("ping: setuid()");
+		exit(-1);
+	}
 
 	source.sin_family = AF_INET;