diff --git a/include/mapbox/earcut.hpp b/include/mapbox/earcut.hpp
index 01bd7e9..a772dc1 100644
--- a/include/mapbox/earcut.hpp
+++ b/include/mapbox/earcut.hpp
@@ -3,6 +3,7 @@
 #include <algorithm>
 #include <cassert>
 #include <cmath>
+#include <limits>
 #include <memory>
 #include <vector>