--- pgp/src/vax.mar	2018/04/24 16:37:52	1.1
+++ pgp/src/vax.mar	2018/04/24 16:40:47	1.1.1.3
@@ -162,7 +162,7 @@ precis:
 
 	.align  quad
 
-.ifndef novector
+.if not_defined novector
 
 prectoobig:
 	ascid   <PGP (FPRIMS) - Requested precision (!ZL) exceeds capacity (!ZL)>