diff --git a/kernel/celltypes.h b/kernel/celltypes.h
index c03cbdcc3..50dee573e 100644
--- a/kernel/celltypes.h
+++ b/kernel/celltypes.h
@@ -21,6 +21,7 @@
 #define CELLTYPES_H
 
 #include "kernel/yosys.h"
+#include "kernel/newcelltypes.h"
 
 YOSYS_NAMESPACE_BEGIN