diff --git a/server/modules/filter/qlafilter.c b/server/modules/filter/qlafilter.c
index 74c176e02..c9af0a839 100644
--- a/server/modules/filter/qlafilter.c
+++ b/server/modules/filter/qlafilter.c
@@ -99,7 +99,7 @@ static FILTER_OBJECT MyObject = {
  */
 typedef struct {
 	int	sessions;	/* The count of sessions */
-	char	*filebase;	/* The filemane base */
+	char	*filebase;	/* The filename base */
 	char	*source;	/* The source of the client connection */
 	char	*userName;	/* The user name to filter on */
 	char	*match;		/* Optional text to match against */
@@ -424,8 +424,8 @@ struct timeval	tv;
 					"%02d:%02d:%02d.%-3d %d/%02d/%d, ",
 					t.tm_hour, t.tm_min, t.tm_sec, (int)(tv.tv_usec / 1000),
 					t.tm_mday, t.tm_mon + 1, 1900 + t.tm_year);
-				fwrite(ptr, sizeof(char), length, my_session->fp);
-				fwrite("\n", sizeof(char), 1, my_session->fp);
+				fprintf(my_session->fp,"%s\n",ptr);
+				
 			}
 			free(ptr);
 		}
diff --git a/server/modules/filter/tee.c b/server/modules/filter/tee.c
index 47f5f2d84..08d88d5e7 100644
--- a/server/modules/filter/tee.c
+++ b/server/modules/filter/tee.c
@@ -777,6 +777,14 @@ char		*ptr;
 int		length, rval, residual = 0;
 GWBUF		*clone = NULL;
 unsigned char   command = *((unsigned char*)queue->start + 4);
+
+if(!my_session->active)
+{
+    skygw_log_write(LOGFILE_TRACE, "Tee: Received a reply when the session was closed.");
+    gwbuf_free(queue);
+    return 0;
+}
+
 	if (my_session->branch_session && 
 		my_session->branch_session->state == SESSION_STATE_ROUTER_READY)
 	{
@@ -908,7 +916,12 @@ clientReply (FILTER* instance, void *session, GWBUF *reply)
   
   spinlock_acquire(&my_session->tee_lock);
 
-  ss_dassert(my_session->active);
+  if(!my_session->active)
+  {
+      gwbuf_free(reply);
+      rc = 0;
+      goto retblock;
+  }
 
   branch = instance == NULL ? CHILD : PARENT;
 
@@ -1049,10 +1062,11 @@ clientReply (FILTER* instance, void *session, GWBUF *reply)
 				       my_session->tee_replybuf);
       my_session->tee_replybuf = NULL;
     }
-	
+  retblock:
   spinlock_release(&my_session->tee_lock);
   return rc;
-} 
+}
+
 /**
  * Diagnostics routine
  *