if (($GLOBALS['cache_instance']->loadCacheFile('refsystem')) && ($GLOBALS['cache_instance']->extensionVersionMatches('sql_patches'))) {
// Load referal system from cache
$GLOBALS['cache_array']['refsystem'] = $GLOBALS['cache_instance']->getArrayFromCache();
-} elseif ((getConfig('cache_refsys') == 'Y') && ($GLOBALS['output_mode'] != '1') && ($GLOBALS['output_mode'] != '-1')) {
+} elseif ((getConfig('cache_refsys') == 'Y') && (getOutputMode() != '1') && (getOutputMode() != '-1')) {
// Create cache file here
$GLOBALS['cache_instance']->init('REFSYSTEM');
$GLOBALS['cache_instance']->storeExtensionVersion('sql_patches');