diff --git a/sol/stack.hpp b/sol/stack.hpp
index 50ca2540..3baf02c5 100644
--- a/sol/stack.hpp
+++ b/sol/stack.hpp
@@ -22,6 +22,7 @@
 #ifndef SOL_STACK_HPP
 #define SOL_STACK_HPP
 
+#include "error.hpp"
 #include "reference.hpp"
 #include "tuple.hpp"
 #include "traits.hpp"