diff --git a/nosql_lib/redis/src/RedisConnection.cc b/nosql_lib/redis/src/RedisConnection.cc
index 7b6a18cf..47db2863 100644
--- a/nosql_lib/redis/src/RedisConnection.cc
+++ b/nosql_lib/redis/src/RedisConnection.cc
@@ -38,11 +38,20 @@ void RedisConnection::startConnectionInLoop()
     if (redisContext_->err)
     {
         LOG_ERROR << "Error: " << redisContext_->errstr;
+
         if (disconnectCallback_)
         {
             disconnectCallback_(shared_from_this());
         }
+
+        // Strange things have happend. In some kinds of connection errors, such
+        // as setsockopt errors, hiredis already set redisContext_->c.fd to -1,
+        // but the tcp connection stays in ESTABLISHED status. And there is no
+        // way for us to obtain the fd of that socket nor close it. This
+        // probably is a bug of hiredis.
+        return;
     }
+
     redisContext_->ev.addWrite = addWrite;
     redisContext_->ev.delWrite = delWrite;
     redisContext_->ev.addRead = addRead;