diff --git a/include/malunal/type.h b/include/malunal/type.h
index 4df2bcc..123cbb6 100644
--- a/include/malunal/type.h
+++ b/include/malunal/type.h
@@ -33,7 +33,7 @@
  *          pointer usage easier.
  */
 #ifndef null
-#define null ((malunal_mptr_t*)0)
+#define null ((malunal_mptr_t)0)
 #endif /* null */
 
 /**