1 files changed, 4 insertions, 4 deletions
diff --git a/calendar/gui/dialogs/task-details-page.h b/calendar/gui/dialogs/task-details-page.h
index f9db58557f..98b6832bbf 100644
--- a/calendar/gui/dialogs/task-details-page.h
+++ b/calendar/gui/dialogs/task-details-page.h
@@ -31,10 +31,10 @@ G_BEGIN_DECLS
 
 
 #define TYPE_TASK_DETAILS_PAGE            (task_details_page_get_type ())
-#define TASK_DETAILS_PAGE(obj)            (GTK_CHECK_CAST ((obj), TYPE_TASK_DETAILS_PAGE, TaskDetailsPage))
-#define TASK_DETAILS_PAGE_CLASS(klass)    (GTK_CHECK_CLASS_CAST ((klass), TYPE_TASK_DETAILS_PAGE, TaskDetailsPageClass))
-#define IS_TASK_DETAILS_PAGE(obj)         (GTK_CHECK_TYPE ((obj), TYPE_TASK_DETAILS_PAGE))
-#define IS_TASK_DETAILS_PAGE_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((obj), TYPE_TASK_DETAILS_PAGE))
+#define TASK_DETAILS_PAGE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_TASK_DETAILS_PAGE, TaskDetailsPage))
+#define TASK_DETAILS_PAGE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_TASK_DETAILS_PAGE, TaskDetailsPageClass))
+#define IS_TASK_DETAILS_PAGE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_TASK_DETAILS_PAGE))
+#define IS_TASK_DETAILS_PAGE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((obj), TYPE_TASK_DETAILS_PAGE))
 
 typedef struct _TaskDetailsPagePrivate TaskDetailsPagePrivate;