diff --git a/usr.bin/calendar/day.c b/usr.bin/calendar/day.c
index 490a2bdb798d..16b17d73f7df 100644
--- a/usr.bin/calendar/day.c
+++ b/usr.bin/calendar/day.c
@@ -197,7 +197,7 @@ time_t Mktime (dp)
     }
 
 #ifdef DEBUG
-    fprintf(stderr, "Mktime: %d %d %d %s\n", (int)mktime(&tm), (int)t, len,
+    fprintf(stderr, "Mktime: %d %d %s\n", (int)mktime(&tm), (int)t,
 	   asctime(&tm));
 #endif
     return(mktime(&tm));