diff --git a/server/modules/protocol/mysql_common.c b/server/modules/protocol/mysql_common.c
index ee415b7a0..5c9cdc229 100644
--- a/server/modules/protocol/mysql_common.c
+++ b/server/modules/protocol/mysql_common.c
@@ -1172,6 +1172,17 @@ mysql_send_auth_error (DCB *dcb, int packet_number, int in_affected_rows, const
 
         GWBUF   *buf;
 
+        if (dcb->state != DCB_STATE_POLLING)
+        {
+                skygw_log_write(
+                        LOGFILE_DEBUG,
+                        "%lu [mysql_send_auth_error] dcb %p is in a state %s, "
+                        "and it is not in epoll set anymore. Skip error sending.",
+                        pthread_self(),
+                        dcb,
+                        STRDCBSTATE(dcb->state));
+                return 0;
+        }
         mysql_errno = 1045;
         mysql_error_msg = "Access denied!";
         mysql_state = "2800";