1 files changed, 1 insertions, 0 deletions
diff --git a/date.c b/date.c
index e0f0f31..571a556 100644
--- a/date.c
+++ b/date.c
@@ -31,6 +31,7 @@
 #include <unistd.h>
 #include <time.h>
 #include <stdio.h>
+#include <getopt.h>
 
 
 /* This 'date' command supports only 2 time setting formats,