diff --git a/sql/sql_select.cc b/sql/sql_select.cc
index c752d48e7c5..66f25bcd119 100644
--- a/sql/sql_select.cc
+++ b/sql/sql_select.cc
@@ -11222,8 +11222,8 @@ static void update_depend_map(JOIN *join)
     uint i;
     for (i=0 ; i < ref->key_parts ; i++,item++)
       depend_map|=(*item)->used_tables();
-    ref->depend_map=depend_map & ~OUTER_REF_TABLE_BIT;
     depend_map&= ~OUTER_REF_TABLE_BIT;
+    ref->depend_map= depend_map;
     for (JOIN_TAB **tab=join->map2table;
          depend_map ;
          tab++,depend_map>>=1 )