1 files changed, 1 insertions, 0 deletions
diff --git a/sql/sql_select.h b/sql/sql_select.h
index 9cb7e0e61b1..9528442ecf2 100644
--- a/sql/sql_select.h
+++ b/sql/sql_select.h
@@ -1327,6 +1327,7 @@ public:
     table_count= 0;
     top_join_tab_count= 0;
     const_tables= 0;
+    const_table_map= 0;
     eliminated_tables= 0;
     join_list= 0;
     implicit_grouping= FALSE;