diff --git a/sql/opt_range.cc b/sql/opt_range.cc
index b81a083d9b3..a0b7c1a52d7 100644
--- a/sql/opt_range.cc
+++ b/sql/opt_range.cc
@@ -713,7 +713,8 @@ SQL_SELECT::~SQL_SELECT()
 
 QUICK_SELECT_I::QUICK_SELECT_I()
   :max_used_key_length(0),
-   used_key_parts(0)
+   used_key_parts(0),
+   records(0)
 {}
 
 QUICK_RANGE_SELECT::QUICK_RANGE_SELECT(THD *thd, TABLE *table, uint key_nr,