diff --git a/iguana/exchanges/LP_nativeDEX.c b/iguana/exchanges/LP_nativeDEX.c
index 49ef0ac3e..4e3f5da47 100644
--- a/iguana/exchanges/LP_nativeDEX.c
+++ b/iguana/exchanges/LP_nativeDEX.c
@@ -312,8 +312,9 @@ int32_t LP_mainloop_iter(char *myipaddr,struct LP_peerinfo *mypeer,int32_t pubso
     {
         char keepalive[128];
         sprintf(keepalive,"{\"method\":\"keepalive\"}");
-        printf("send keepalive to %s\n",pushaddr);
-        LP_send(pullsock,keepalive,0);
+        printf("send keepalive to %s pullsock.%d\n",pushaddr,pullsock);
+        if ( LP_send(pullsock,keepalive,0) < 0 )
+            LP_deadman_switch = 0;
     }
     counter++;
     return(nonz);