diff --git a/src/main.cpp b/src/main.cpp
index 8897c36..a24d362 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,5 +1,6 @@
 // system includes
 #include <cassert>
+#include <climits>
 #include <cstring>
 #include <dirent.h>
 #include <functional>