diff --git a/include/cutlass/arch/arch.h b/include/cutlass/arch/arch.h
index c48ebcc6..163efdfc 100644
--- a/include/cutlass/arch/arch.h
+++ b/include/cutlass/arch/arch.h
@@ -34,6 +34,8 @@
 
 #pragma once
 
+#include "cutlass/cutlass.h"
+
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 
 namespace cutlass {