diff --git a/lib/libnetbsd/sys/types.h b/lib/libnetbsd/sys/types.h
index 97040b5cdec2..5176371d898f 100644
--- a/lib/libnetbsd/sys/types.h
+++ b/lib/libnetbsd/sys/types.h
@@ -31,6 +31,6 @@
 
 #include_next <sys/types.h>
 
-#include <sys/param.h>	/* For NBBY */
+#define	NBBY	8
 
 #endif