diff --git a/win/curses/cursinit.c b/win/curses/cursinit.c
index 04adbb853..879b486a3 100644
--- a/win/curses/cursinit.c
+++ b/win/curses/cursinit.c
@@ -8,6 +8,7 @@
 #include "wincurs.h"
 #include "cursinit.h"
 #include "patchlevel.h"
+#include "date.h"
 
 #include <ctype.h>