1 files changed, 1 insertions, 0 deletions

diff --git a/color.c b/color.c
index 70b7fcd..510b16d 100644
--- a/color.c
+++ b/color.c
@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include <stdlib.h>
+#include <stddef.h>
 #include <unistd.h>
 #include <math.h>