diff --git a/css/mods-for-hesk.css b/css/mods-for-hesk.css
index b6bdb683..c22d8d30 100644
--- a/css/mods-for-hesk.css
+++ b/css/mods-for-hesk.css
@@ -320,4 +320,8 @@ div.setupButtons {
 .category-label {
     font-weight: normal;
     font-size: 1em;
+}
+
+.fc-content {
+    text-overflow: ellipsis;
 }
\ No newline at end of file
diff --git a/internal-api/admin/calendar/index.php b/internal-api/admin/calendar/index.php
index 082a1897..ba69f761 100644
--- a/internal-api/admin/calendar/index.php
+++ b/internal-api/admin/calendar/index.php
@@ -9,6 +9,7 @@ require_once(HESK_PATH . 'inc/posting_functions.inc.php');
 require_once(INTERNAL_API_PATH . 'core/output.php');
 require_once(INTERNAL_API_PATH . 'dao/calendar_dao.php');
 
+hesk_session_start();
 hesk_load_internal_api_database_functions();
 hesk_dbConnect();
 
diff --git a/js/calendar/mods-for-hesk-calendar.js b/js/calendar/mods-for-hesk-calendar.js
index 092d7a0b..689435e4 100644
--- a/js/calendar/mods-for-hesk-calendar.js
+++ b/js/calendar/mods-for-hesk-calendar.js
@@ -138,11 +138,7 @@ $(document).ready(function() {
         },
         dayRender: function(date, cell) {
             var $cell = $(cell);
-            $cell.tooltip({
-                container: 'body',
-                delay: { show: 250, hide: 0 },
-                title: 'Click to add event'
-            });
+            $cell.attr('title', 'Click to add event');
         }
     });