diff --git a/calendar/gnome-cal.c b/calendar/gnome-cal.c
index 434af707bc..af7b801f94 100644
--- a/calendar/gnome-cal.c
+++ b/calendar/gnome-cal.c
@@ -4,7 +4,7 @@
  *
  * Author: Miguel de Icaza (miguel@kernel.org)
  */
-
+#include <config.h>
 #include <gnome.h>
 #include <unistd.h>
 #include <signal.h>
diff --git a/calendar/gui/gnome-cal.c b/calendar/gui/gnome-cal.c
index 434af707bc..af7b801f94 100644
--- a/calendar/gui/gnome-cal.c
+++ b/calendar/gui/gnome-cal.c
@@ -4,7 +4,7 @@
  *
  * Author: Miguel de Icaza (miguel@kernel.org)
  */
-
+#include <config.h>
 #include <gnome.h>
 #include <unistd.h>
 #include <signal.h>