diff --git a/include/teqp/derivs.hpp b/include/teqp/derivs.hpp
index 3c5737481a14be3d5e5bf6fe7046751f43514047..aab9dc57cea8b4755409d125369e27ece927c32a 100644
--- a/include/teqp/derivs.hpp
+++ b/include/teqp/derivs.hpp
@@ -5,6 +5,8 @@
 #include <tuple>
 #include <map>
 
+#include "teqp/types.hpp"
+
 #include "MultiComplex/MultiComplex.hpp"
 
 // autodiff include