diff --git a/file/lib/system/command/AbstractSuspensionCommand.class.php b/file/lib/system/command/AbstractSuspensionCommand.class.php
index 970d883..d6116a9 100644
--- a/file/lib/system/command/AbstractSuspensionCommand.class.php
+++ b/file/lib/system/command/AbstractSuspensionCommand.class.php
@@ -94,7 +94,7 @@ public function checkPermission() {
 		
 		$ph = new \chat\system\permission\PermissionHandler();
 		if (static::IS_GLOBAL) {
-			WCF::getSession()->checkPermissions((array) 'mod.chat.canG'.static::SUSPENSION_TYPE);
+			WCF::getSession()->checkPermissions(array('mod.chat.canG'.static::SUSPENSION_TYPE));
 		}
 		else {
 			if (!WCF::getSession()->getPermission('mod.chat.canG'.static::SUSPENSION_TYPE)) {