diff --git a/lib/puppet/provider/mysql_user/mysql.rb b/lib/puppet/provider/mysql_user/mysql.rb
index 0fe2566cf..d647f6420 100644
--- a/lib/puppet/provider/mysql_user/mysql.rb
+++ b/lib/puppet/provider/mysql_user/mysql.rb
@@ -171,7 +171,7 @@ def plugin=(string)
       sql << " WHERE CONCAT(user, '@', host) = '#{@resource[:name]}'"
     end
 
-    mysql([defaults_file, system_database, '-e', sql].compact)
+    self.class.mysql_caller(sql, 'system')
     (plugin == string) ? (return true) : (return false)
   end