diff --git a/server/modules/filter/dbfwfilter/rules.cc b/server/modules/filter/dbfwfilter/rules.cc
index de8d4bad8..4fc1a424b 100644
--- a/server/modules/filter/dbfwfilter/rules.cc
+++ b/server/modules/filter/dbfwfilter/rules.cc
@@ -323,7 +323,7 @@ bool LimitQueriesRule::matches_query(DbfwSession* session, GWBUF* buffer, char**
             queryspeed->first_query = time_now;
             queryspeed->count = 1;
         }
-        else if (difftime(time_now, queryspeed->first_query) <= m_timeperiod)
+        else if (difftime(time_now, queryspeed->first_query) < m_timeperiod)
         {
             queryspeed->count++;
         }