diff --git a/calendar/ChangeLog b/calendar/ChangeLog
index d88e755e4a..43909a5bd9 100644
--- a/calendar/ChangeLog
+++ b/calendar/ChangeLog
@@ -1,3 +1,8 @@
+2004-08-31  Rodrigo Moya <rodrigo@novell.com>
+
+	* gui/e-cal-model-tasks.c: include missing string.h, to avoid
+	problems in 64 bit builds.
+	
 2004-08-27  Not Zed  <NotZed@Ximian.com>
 
 	* common/authentication.c (auth_func_cb): constify the strings to
diff --git a/calendar/gui/e-cal-model-tasks.c b/calendar/gui/e-cal-model-tasks.c
index 463f812c8f..1b1d30427c 100644
--- a/calendar/gui/e-cal-model-tasks.c
+++ b/calendar/gui/e-cal-model-tasks.c
@@ -21,6 +21,7 @@
 
 #include <config.h>
 #include <math.h>
+#include <string.h>
 #include <gtk/gtkmessagedialog.h>
 #include <libgnome/gnome-i18n.h>
 #include <gal/util/e-util.h>