diff --git a/net/core/sock.c b/net/core/sock.c
index 3057920..a6000fb 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -691,7 +691,8 @@
 
 	case SO_KEEPALIVE:
 #ifdef CONFIG_INET
-		if (sk->sk_protocol == IPPROTO_TCP)
+		if (sk->sk_protocol == IPPROTO_TCP &&
+		    sk->sk_type == SOCK_STREAM)
 			tcp_set_keepalive(sk, valbool);
 #endif
 		sock_valbool_flag(sk, SOCK_KEEPOPEN, valbool);