diff --git a/apps/calendar/ajax/import/dropimport.php b/apps/calendar/ajax/import/dropimport.php
index e98c282ef4..684eebf5fd 100644
--- a/apps/calendar/ajax/import/dropimport.php
+++ b/apps/calendar/ajax/import/dropimport.php
@@ -45,7 +45,7 @@ foreach($lines as $line) {
 	}
 	$i++;
 }
-$calendars = OC_Calendar_Calendar::allCalendars(OCP\USER::getUser(), 1);
+$calendars = OC_Calendar_Calendar::allCalendars(OCP\USER::getUser(), true);
 $id = $calendars[0]['id'];
 foreach($uids as $uid) {
 	$prefix=$suffix=$content=array();
diff --git a/apps/calendar/index.php b/apps/calendar/index.php
index 05a808a5ae..a74c879436 100644
--- a/apps/calendar/index.php
+++ b/apps/calendar/index.php
@@ -11,11 +11,11 @@ OCP\User::checkLoggedIn();
 OCP\App::checkAppEnabled('calendar');
 
 // Create default calendar ...
-$calendars = OC_Calendar_Calendar::allCalendars(OCP\USER::getUser(), 1);
-if( count($calendars) == 0){
-	OC_Calendar_Calendar::addCalendar(OCP\USER::getUser(),'Default calendar');
-	$calendars = OC_Calendar_Calendar::allCalendars(OCP\USER::getUser(), 1);
-}
+$calendars = OC_Calendar_Calendar::allCalendars(OCP\USER::getUser(), true);
+// if( count($calendars) == 0){
+// 	OC_Calendar_Calendar::addCalendar(OCP\USER::getUser(),'Default calendar');
+// 	$calendars = OC_Calendar_Calendar::allCalendars(OCP\USER::getUser(), true);
+// }
 
 $eventSources = array();
 foreach($calendars as $calendar){
diff --git a/apps/calendar/lib/calendar.php b/apps/calendar/lib/calendar.php
index 869b35e2e1..dfd8fe7437 100644
--- a/apps/calendar/lib/calendar.php
+++ b/apps/calendar/lib/calendar.php
@@ -44,13 +44,13 @@ class OC_Calendar_Calendar{
 	/**
 	 * @brief Returns the list of calendars for a specific user.
 	 * @param string $uid User ID
-	 * @param boolean $active Only return calendars with this $active state, default(=null) is don't care
+	 * @param boolean $active Only return calendars with this $active state, default(=false) is don't care
 	 * @return array
 	 */
-	public static function allCalendars($uid, $active=null){
+	public static function allCalendars($uid, $active=false){
 		$values = array($uid);
 		$active_where = '';
-		if (!is_null($active) && $active){
+		if ($active === true){
 			$active_where = ' AND active = ?';
 			$values[] = $active;
 		}
diff --git a/apps/calendar/lib/search.php b/apps/calendar/lib/search.php
index 03516b3b70..6526b4223a 100644
--- a/apps/calendar/lib/search.php
+++ b/apps/calendar/lib/search.php
@@ -1,7 +1,7 @@
 <?php
 class OC_Search_Provider_Calendar extends OC_Search_Provider{
 	function search($query){
-		$calendars = OC_Calendar_Calendar::allCalendars(OCP\USER::getUser(), 1);
+		$calendars = OC_Calendar_Calendar::allCalendars(OCP\USER::getUser(), true);
 		if(count($calendars)==0 || !OCP\App::isEnabled('calendar')){
 			//return false;
 		}