diff --git a/build.php b/build.php
index 9f0c717..18933f2 100755
--- a/build.php
+++ b/build.php
@@ -13,6 +13,10 @@
 -----------
 
 EOT;
+	if (file_exists('package.xml.old')) {
+		file_put_contents('package.xml', file_get_contents('package.xml.old'));
+		unlink('package.xml.old');
+	}
 	if (file_exists('file.tar')) unlink('file.tar');
 	if (file_exists('template.tar')) unlink('template.tar');
 	if (file_exists('acptemplate.tar')) unlink('acptemplate.tar');
@@ -84,7 +88,7 @@
 echo <<<EOT
 
 Building acptemplate.tar
----------------------
+------------------------
 
 EOT;
 	chdir('../acptemplate');
@@ -97,7 +101,13 @@
 
 EOT;
 	chdir('..');
-	passthru('tar cvf be.bastelstu.wcf.chat.tar * --exclude=file --exclude=template --exclude=acptemplate --exclude=build.php', $code);
+	file_put_contents('package.xml.old', file_get_contents('package.xml'));
+	file_put_contents('package.xml', preg_replace('~<date>\d{4}-\d{2}-\d{2}</date>~', '<date>'.date('Y-m-d').'</date>', file_get_contents('package.xml')));
+	passthru('tar cvf be.bastelstu.wcf.chat.tar * --exclude=*.old --exclude=file --exclude=template --exclude=acptemplate --exclude=build.php', $code);
+	if (file_exists('package.xml.old')) {
+		file_put_contents('package.xml', file_get_contents('package.xml.old'));
+		unlink('package.xml.old');
+	}
 	if ($code != 0) exit($code);
 
 if (file_exists('file.tar')) unlink('file.tar');
diff --git a/file/lib/system/chat/command/CommandHandler.class.php b/file/lib/system/chat/command/CommandHandler.class.php
index 4dda64a..270f703 100644
--- a/file/lib/system/chat/command/CommandHandler.class.php
+++ b/file/lib/system/chat/command/CommandHandler.class.php
@@ -63,7 +63,7 @@ public function loadCommand() {
 			return new commands\Plain($this);
 		}
 		
-		$class = '\wcf\system\chat\command\commands\\'.ucfirst($parts[0]);
+		$class = '\wcf\system\chat\command\commands\\'.ucfirst(strtolower($parts[0]));
 		if (!class_exists($class)) {
 			throw new NotFoundException();
 		}