diff --git a/ChangeLog b/ChangeLog
index be5aef52f..af84d8f1a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2009-10-25  Ludovic Marcotte  <lmarcotte@inverse.ca>
+
+        * Fixed many compilation warnings
+
 2009-10-24  Ludovic Marcotte  <lmarcotte@inverse.ca>
 
         * Updated the Czech translation - patch from
diff --git a/SOPE/NGCards/iCalTimeZone.m b/SOPE/NGCards/iCalTimeZone.m
index 8fbfb15cf..be82b997c 100644
--- a/SOPE/NGCards/iCalTimeZone.m
+++ b/SOPE/NGCards/iCalTimeZone.m
@@ -3,6 +3,7 @@
  * Copyright (C) 2006-2009 Inverse inc.
  *
  * Author: Wolfgang Sourdeau <wsourdeau@inverse.ca>
+ *         Ludovic Marcotte <lmarcotte@inverse.ca>
  *
  * This file is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/SoObjects/SOGo/SOGoUserDefaults.m b/SoObjects/SOGo/SOGoUserDefaults.m
index a5b3b9ad4..1bab5ffb3 100644
--- a/SoObjects/SOGo/SOGoUserDefaults.m
+++ b/SoObjects/SOGo/SOGoUserDefaults.m
@@ -36,6 +36,7 @@
 
 #import "NSObject+Utilities.h"
 
+#import "NSDictionary+BSJSONAdditions.h"
 #import "SOGoUserDefaults.h"
 #import "SOGoCache.h"
 
diff --git a/UI/Scheduler/UIxAppointmentEditor.m b/UI/Scheduler/UIxAppointmentEditor.m
index 2346764ce..a378d6807 100644
--- a/UI/Scheduler/UIxAppointmentEditor.m
+++ b/UI/Scheduler/UIxAppointmentEditor.m
@@ -40,6 +40,8 @@
 #import <NGCards/iCalPerson.h>
 #import <NGCards/iCalTrigger.h>
 #import <NGCards/iCalRecurrenceRule.h>
+#import <NGCards/iCalTimeZone.h>
+#import <NGCards/iCalDateTime.h>
 
 #import <SoObjects/SOGo/NSDictionary+Utilities.h>
 #import <SoObjects/SOGo/SOGoUser.h>
@@ -527,8 +529,8 @@
       
       tz = [iCalTimeZone timeZoneForName: [[[context activeUser] timeZone] name]];
       [[event parent] addTimeZone: tz];
-      [[event uniqueChildWithTag: @"dtstart"] setTimeZone: tz];
-      [[event uniqueChildWithTag: @"dtend"] setTimeZone: tz];
+      [(iCalDateTime *)[event uniqueChildWithTag: @"dtstart"] setTimeZone: tz];
+      [(iCalDateTime *)[event uniqueChildWithTag: @"dtend"] setTimeZone: tz];
     }
 
   [event setTransparency: (isTransparent? @"TRANSPARENT" : @"OPAQUE")];
diff --git a/UI/Scheduler/UIxCalFilterPanel.m b/UI/Scheduler/UIxCalFilterPanel.m
index 9ca38107d..9b7939450 100644
--- a/UI/Scheduler/UIxCalFilterPanel.m
+++ b/UI/Scheduler/UIxCalFilterPanel.m
@@ -1,6 +1,6 @@
 /* UIxContactsFilterPanel.m - this file is part of SOGo
  *
- * Copyright (C) 2006 Inverse inc.
+ * Copyright (C) 2006-2009 Inverse inc.
  *
  * Author: Wolfgang Sourdeau <wsourdeau@inverse.ca>
  *
@@ -28,6 +28,8 @@
 
 #import <NGObjWeb/WOContext.h>
 
+#import <SoObjects/SOGo/SOGoUser.h>
+
 #import "UIxCalFilterPanel.h"
 
 static NSArray *filters = nil;
diff --git a/UI/Scheduler/UIxTaskEditor.m b/UI/Scheduler/UIxTaskEditor.m
index 2062c9e8b..2065d3ad2 100644
--- a/UI/Scheduler/UIxTaskEditor.m
+++ b/UI/Scheduler/UIxTaskEditor.m
@@ -35,6 +35,8 @@
 #import <NGCards/iCalPerson.h>
 #import <NGCards/iCalToDo.h>
 #import <NGCards/iCalTrigger.h>
+#import <NGCards/iCalTimeZone.h>
+#import <NGCards/iCalDateTime.h>
 
 #import <SoObjects/SOGo/NSDictionary+Utilities.h>
 #import <SoObjects/SOGo/SOGoUser.h>
@@ -458,10 +460,10 @@
   
   data = [NSDictionary dictionaryWithObjectsAndKeys:
 		       [todo tag], @"component",
-		       (startDate? [dateFormatter formattedDate: startDate] : @""), @"startDate",
-		       (startDate? [dateFormatter formattedTime: startDate] : @""), @"startTime",
-		       (dueDate? [dateFormatter formattedDate: dueDate] : @""), @"dueDate",
-		       (dueDate? [dateFormatter formattedTime: dueDate] : @""), @"dueTime",
+		       (startDate? (id)[dateFormatter formattedDate: startDate] : (id)@""), @"startDate",
+		       (startDate? (id)[dateFormatter formattedTime: startDate] : (id)@""), @"startTime",
+		       (dueDate? (id)[dateFormatter formattedDate: dueDate] : (id)@""), @"dueDate",
+		       (dueDate? (id)[dateFormatter formattedTime: dueDate] : (id)@""), @"dueTime",
 		       ([todo hasRecurrenceRules]? @"1": @"0"), @"isReccurent",
 		       [todo summary], @"summary",
 		       [todo location], @"location",
@@ -531,10 +533,10 @@
 	}
 
       if (hasStartDate)
-	[[todo uniqueChildWithTag: @"dtstart"] setTimeZone: tz];
+	[(iCalDateTime *)[todo uniqueChildWithTag: @"dtstart"] setTimeZone: tz];
 
       if (hasDueDate)
-	[[todo uniqueChildWithTag: @"due"] setTimeZone: tz];
+	[(iCalDateTime *)[todo uniqueChildWithTag: @"due"] setTimeZone: tz];
     }
 
 }