1 files changed, 2 insertions, 0 deletions
diff --git a/mysys/charset.c b/mysys/charset.c
index 0b2fd514019..ce44353b065 100644
--- a/mysys/charset.c
+++ b/mysys/charset.c
@@ -341,6 +341,8 @@ static int add_collation(CHARSET_INFO *cs)
       all_charsets[cs->number]->state |= cs->state;
     }
     cs->number= 0;
+    cs->primary_number= 0;
+    cs->binary_number= 0;
     cs->name= NULL;
     cs->state= 0;
     cs->sort_order= NULL;