diff --git a/inode2prog.cpp b/inode2prog.cpp
index 9bddeef..3c43079 100644
--- a/inode2prog.cpp
+++ b/inode2prog.cpp
@@ -12,6 +12,7 @@
 #include <map>
 #include <sys/stat.h>
 #include <fcntl.h>
+#include <limits.h>
 
 #include "inode2prog.h"