diff --git a/sys/kern/uipc_usrreq.c b/sys/kern/uipc_usrreq.c
--- a/sys/kern/uipc_usrreq.c
+++ b/sys/kern/uipc_usrreq.c
@@ -3216,11 +3216,9 @@
 #endif
 		LIST_REMOVE(unp, unp_reflink);
 		UNP_REF_LIST_UNLOCK();
-		if (so) {
-			SOCK_LOCK(so);
-			so->so_state &= ~SS_ISCONNECTED;
-			SOCK_UNLOCK(so);
-		}
+		SOCK_LOCK(so);
+		so->so_state &= ~SS_ISCONNECTED;
+		SOCK_UNLOCK(so);
 		break;
 
 	case SOCK_STREAM: