diff --git a/file/lib/system/option/TimeIntervalOptionType.php b/file/lib/system/option/TimeIntervalOptionType.php
new file mode 100644
index 0000000..3cf5558
--- /dev/null
+++ b/file/lib/system/option/TimeIntervalOptionType.php
@@ -0,0 +1,20 @@
+
+ * @package timwolla.wcf.chat
+ * @subpackage system.option
+ */
+class TimeIntervalOptionType extends TextOptionType {
+ /**
+ * @see wcf\system\option\IOptionType::getData()
+ */
+ public function getData(\wcf\data\option\Option $option, $newValue) {
+ return \wcf\util\ChatUtil::timeModifier($newValue);
+ }
+}
diff --git a/language/de.xml b/language/de.xml
index d785e61..36042e7 100644
--- a/language/de.xml
+++ b/language/de.xml
@@ -4,7 +4,6 @@
-
@@ -22,9 +21,8 @@
-
-
+
diff --git a/option.xml b/option.xml
index 9a921a9..13418c2 100644
--- a/option.xml
+++ b/option.xml
@@ -72,7 +72,7 @@