diff --git a/include/godot_cpp/core/defs.hpp b/include/godot_cpp/core/defs.hpp
index 9395f201..fddfa51d 100644
--- a/include/godot_cpp/core/defs.hpp
+++ b/include/godot_cpp/core/defs.hpp
@@ -32,6 +32,7 @@
 
 #include <cstddef>
 #include <cstdint>
+#include <type_traits>
 #include <utility>
 
 namespace godot {