diff --git a/ext/mysql2_ext.c b/ext/mysql2_ext.c
index 6b8b1be..820d53f 100644
--- a/ext/mysql2_ext.c
+++ b/ext/mysql2_ext.c
@@ -611,7 +611,7 @@ static VALUE rb_mysql_result_each(int argc, VALUE * argv, VALUE self) {
 
       if (row == Qnil) {
         // we don't need the mysql C dataset around anymore, peace it
-        rb_mysql_result_free(wrapper->result);
+        rb_mysql_result_free(wrapper);
         return Qnil;
       }