diff --git a/utils.h b/utils.h
index 51863b2..2ac7226 100644
--- a/utils.h
+++ b/utils.h
@@ -25,6 +25,7 @@
 # include <config.h>
 # include <dirent.h>
 # include <fcntl.h>
+# include <limits.h>
 # include <stdio.h>
 # include <stdlib.h>
 # include <sys/types.h>