diff --git a/detail/coord.hpp b/detail/coord.hpp
index e432b3d9..d842a3f7 100644
--- a/detail/coord.hpp
+++ b/detail/coord.hpp
@@ -22,6 +22,11 @@
 
 #include "../platform.hpp"
 
+#include <algorithm>
+#include <iterator>
+
+#include <cstdlib>
+
 namespace util {
     namespace detail {
         // Disable GCC warnings about validity of anonyous structures in