diff --git a/coreutils/ls.c b/coreutils/ls.c
index 65478bf..b355648 100644
--- a/coreutils/ls.c
+++ b/coreutils/ls.c
@@ -2,6 +2,7 @@
 #include <stdio.h>
 #include <errno.h>
 #include <string.h>
+#include <stdint.h>
 #include <dirent.h>
 #include <sys/stat.h>
 #include <sys/types.h>