diff --git a/Makefile.inc1 b/Makefile.inc1
index 92a4283a9e5..18850236c60 100644
--- a/Makefile.inc1
+++ b/Makefile.inc1
@@ -62,7 +62,7 @@ SUBDIR+=secure
 .if !defined(NOSHARE)
 SUBDIR+=share
 .endif
-.if ${MACHINE_ARCH} == "alpha"
+.if ${MACHINE_ARCH} != "alpha"
 SUBDIR+=sys
 .endif
 SUBDIR+=usr.bin usr.sbin etc