diff --git a/ext/mysql2_ext.c b/ext/mysql2_ext.c
index 0cf5a55..3852f8b 100644
--- a/ext/mysql2_ext.c
+++ b/ext/mysql2_ext.c
@@ -464,7 +464,7 @@ static VALUE rb_mysql_result_each(int argc, VALUE * argv, VALUE self) {
     }
     if (wrapper->lastRow == wrapper->numberOfRows) {
       // we don't need the mysql C dataset around anymore, peace it
-      rb_mysql_result_free(wrapper->result);
+      rb_mysql_result_free(wrapper);
     }
   }