diff -urNp old/agent/mibgroup/agentx/master.c new/agent/mibgroup/agentx/master.c
--- old/agent/mibgroup/agentx/master.c	2017-03-29 11:33:29.643295606 +0200
+++ new/agent/mibgroup/agentx/master.c	2017-03-29 11:36:56.532670645 +0200
@@ -222,7 +222,7 @@ agentx_got_response(int operation,
         /* response is too late, free the cache */
         if (magic)
             netsnmp_free_delegated_cache((netsnmp_delegated_cache*) magic);
-        return 0;
+        return 1;
     }
     requests = cache->requests;