diff --git a/drawbar.c b/drawbar.c
index 659ed6a..a5a1cc5 100644
--- a/drawbar.c
+++ b/drawbar.c
@@ -110,6 +110,7 @@
 #include <unistd.h>
 #include <regex.h>
 #include <sys/utsname.h>
+#include <time.h>
 
 #include "atop.h"
 #include "showgeneric.h"