diff --git a/calendar/js/et2_widget_event.js b/calendar/js/et2_widget_event.js
index 7d1d3d80f7..c09a83f21c 100644
--- a/calendar/js/et2_widget_event.js
+++ b/calendar/js/et2_widget_event.js
@@ -260,7 +260,7 @@ var et2_calendar_event = (function(){ "use strict"; return et2_valueWidget.exten
 		}, {application:event.app||'calendar'});
 
 		// Get CSS too
-		egw.includeCSS('/phpgwapi/categories.php?app='+event.app);
+		egw.includeCSS('/api/categories.php?app='+event.app);
 
 		// Need cleaning? (DnD helper removes content)
 		if(!this.div.has(this.title).length)
@@ -888,17 +888,17 @@ et2_register_widget(et2_calendar_event, ["calendar-event"]);
 // Static class stuff
 /**
  * Check event owner against a parent object
- * 
+ *
  * As an event is edited, its participants may change.  Also, as the state
  * changes we may change which events are displayed and show the same event
  * in several places for different users.  Here we check the event participants
  * against an owner value (which may be an array) to see if the event should be
  * displayed or included.
- * 
+ *
  * @param {Object} event - Event information
  * @param {et2_widget_daycol|et2_widget_planner_row} parent - potential parent object
  *	that has an owner option
- *	
+ *
  * @return {boolean} Should the event be displayed
  */
 et2_calendar_event.owner_check = function owner_check(event, parent)
diff --git a/calendar/js/et2_widget_planner.js b/calendar/js/et2_widget_planner.js
index e3b7f20b02..bb4105f28d 100644
--- a/calendar/js/et2_widget_planner.js
+++ b/calendar/js/et2_widget_planner.js
@@ -357,7 +357,7 @@ var et2_calendar_planner = (function(){ "use strict"; return et2_calendar_view.e
 						}
 					}
 				}
-				
+
 				return labels.sort(function(a,b) {
 					return a.label.localeCompare(b.label);
 				});
@@ -801,7 +801,7 @@ var et2_calendar_planner = (function(){ "use strict"; return et2_calendar_view.e
 		for(var key in labels)
 		{
 			if (!labels.hasOwnProperty(key)) continue;
-			
+
 			// Skip sub-categories (events are merged into top level)
 			if(this.options.group_by == 'category' &&
 				(!app.calendar.state.cat_id || app.calendar.state.cat_id == '') &&
@@ -1546,7 +1546,7 @@ var et2_calendar_planner = (function(){ "use strict"; return et2_calendar_view.e
 							}, {application:event.data.app||'calendar'});
 
 							// Get CSS too
-							egw.includeCSS('/phpgwapi/categories.php?app='+event.data.app);
+							egw.includeCSS('/api/categories.php?app='+event.data.app);
 						}
 					}
 
@@ -1663,7 +1663,7 @@ var et2_calendar_planner = (function(){ "use strict"; return et2_calendar_view.e
 			}
 		}
 	},
-	
+
 	/**
 	 * Call change handler, if set
 	 *