diff --git a/sql/sql_partition.cc b/sql/sql_partition.cc
index 5d89307ba31..de2d5c2f253 100644
--- a/sql/sql_partition.cc
+++ b/sql/sql_partition.cc
@@ -6783,7 +6783,7 @@ static bool alter_partition_lock_handling(ALTER_PARTITION_PARAM_TYPE *lpt)
 
 static int alter_close_table(ALTER_PARTITION_PARAM_TYPE *lpt)
 {
-  int error;
+  int error= 0;
   DBUG_ENTER("alter_close_table");
 
   if (lpt->table->db_stat)