diff --git a/sol/function_result.hpp b/sol/function_result.hpp
index 59b95f18..77673e6e 100644
--- a/sol/function_result.hpp
+++ b/sol/function_result.hpp
@@ -27,6 +27,7 @@
 #include "stack.hpp"
 #include "stack_proxy.hpp"
 #include "proxy_base.hpp"
+#include <limits>
 
 namespace sol {
 struct function_result : public proxy_base<function_result> {
diff --git a/sol/protected_function_result.hpp b/sol/protected_function_result.hpp
index 8c7d7052..868a4a1a 100644
--- a/sol/protected_function_result.hpp
+++ b/sol/protected_function_result.hpp
@@ -27,6 +27,7 @@
 #include "stack.hpp"
 #include "proxy_base.hpp"
 #include "stack_proxy.hpp"
+#include <limits>
 
 namespace sol {
 struct protected_function_result : public proxy_base<protected_function_result> {