1 files changed, 1 insertions, 1 deletions
diff --git a/sql/sql_select.cc b/sql/sql_select.cc
index ff179c432a8..b670e6e3637 100644
--- a/sql/sql_select.cc
+++ b/sql/sql_select.cc
@@ -2176,7 +2176,7 @@ JOIN::destroy()
       }
     }
     tmp_join->tmp_join= 0;
-    tmp_table_param.copy_field=0;
+    tmp_table_param.cleanup();
     DBUG_RETURN(tmp_join->destroy());
   }
   cond_equal= 0;