diff --git a/ChangeLog b/ChangeLog
index 6d00304c2..75e6f0ec3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2008-08-11  Wolfgang Sourdeau  <wsourdeau@inverse.ca>
+
+	* SoObjects/Appointments/SOGoComponentOccurence.m
+	([SOGoComponentOccurence
+	+occurenceWithComponent:newComponentwithMasterComponent:newMasterinContainer:newContainer]):
+	seconds is now a NSTimeInterval instead of an int, to avoid
+	casting problems on the PowerPC architecture.
+
 2008-08-10  Wolfgang Sourdeau  <wsourdeau@inverse.ca>
 
 	* UI/MailPartViewers/UIxMailPartICalViewer.m
diff --git a/SoObjects/Appointments/SOGoComponentOccurence.h b/SoObjects/Appointments/SOGoComponentOccurence.h
index f511e673c..24854a578 100644
--- a/SoObjects/Appointments/SOGoComponentOccurence.h
+++ b/SoObjects/Appointments/SOGoComponentOccurence.h
@@ -25,6 +25,8 @@
 
 #import <SOGo/SOGoObject.h>
 
+@class NSException;
+
 @class iCalRepeatableEntityObject;
 @class SOGoCalendarComponent;
 
@@ -32,7 +34,7 @@
 
 - (iCalRepeatableEntityObject *) occurence;
 - (BOOL) isNew;
-- (id) delete;
+- (NSException *) delete;
 
 @end
 
diff --git a/SoObjects/Appointments/SOGoComponentOccurence.m b/SoObjects/Appointments/SOGoComponentOccurence.m
index 244b2a0b4..539eb0285 100644
--- a/SoObjects/Appointments/SOGoComponentOccurence.m
+++ b/SoObjects/Appointments/SOGoComponentOccurence.m
@@ -21,6 +21,7 @@
  */
 
 #import <Foundation/NSArray.h>
+#import <Foundation/NSCalendarDate.h>
 #import <Foundation/NSString.h>
 
 #import <NGCards/iCalCalendar.h>
@@ -42,7 +43,7 @@
 		  inContainer: (SOGoCalendarComponent *) newContainer
 {
   SOGoComponentOccurence *occurence;
-  unsigned int seconds;
+  NSTimeInterval seconds;
   NSString *newName;
 
   if (newComponent == newMaster)
@@ -50,8 +51,8 @@
   else
     {
       seconds = [[newComponent recurrenceId] timeIntervalSince1970];
-      newName = [NSString stringWithFormat: @"occurence%d", seconds];
-    };
+      newName = [NSString stringWithFormat: @"occurence%d", (int) seconds];
+    }
   occurence = [self objectWithName: newName inContainer: newContainer];
   [occurence setComponent: newComponent];
   [occurence setMasterComponent: newMaster];
@@ -134,7 +135,7 @@
   return component;
 }
 
-- (id) delete
+- (NSException *) delete;
 {
   NSException *error;
   iCalCalendar *parent;
@@ -155,7 +156,7 @@
   return error;
 }
 
-- (void) saveComponent: (id) newEvent
+- (void) saveComponent: (iCalRepeatableEntityObject *) newEvent
 {
   [container saveComponent: newEvent];
 }