diff --git a/Makefile.inc1 b/Makefile.inc1
index f6b4579e954..012ea0cfab4 100644
--- a/Makefile.inc1
+++ b/Makefile.inc1
@@ -300,7 +300,7 @@ VERSION=	FreeBSD ${_REVISION}-${_BRANCH:C/-p[0-9]+$//} ${TARGET_ARCH} ${SRCRELDA
 .endif
 
 .if !defined(PKG_VERSION)
-.if ${_BRANCH:MSTABLE*} || ${_BRANCH:MCURRENT*}
+.if ${_BRANCH:MSTABLE*} || ${_BRANCH:MCURRENT*} || ${_BRANCH:MALPHA*}
 TIMENOW=	%Y%m%d%H%M%S
 EXTRA_REVISION=	.s${TIMENOW:gmtime}
 .endif