diff --git a/apps/calendar/appinfo/database.xml b/apps/calendar/appinfo/database.xml
index b065ab3f94a..5a3ad32dc24 100644
--- a/apps/calendar/appinfo/database.xml
+++ b/apps/calendar/appinfo/database.xml
@@ -81,7 +81,7 @@
     <type>text</type>
     <default></default>
     <notnull>false</notnull>
-    <length>100</length>
+    <length>255</length>
    </field>
 
    <field>
@@ -133,7 +133,7 @@
     <type>text</type>
     <default></default>
     <notnull>false</notnull>
-    <length>100</length>
+    <length>255</length>
    </field>
 
    <field>