diff --git a/src/fs_stat.hpp b/src/fs_stat.hpp
index aba0aa96..abaa1551 100644
--- a/src/fs_stat.hpp
+++ b/src/fs_stat.hpp
@@ -19,6 +19,7 @@
 #pragma once
 
 #include "die.hpp"
+#include "casts.hpp"
 #include "follow_symlinks_enum.hpp"
 #include "to_neg_errno.hpp"
 #include "to_cstr.hpp"