diff --git a/Make b/Make
index 53153c64d7..506db82e1b 100755
--- a/Make
+++ b/Make
@@ -81,11 +81,7 @@ sh -c 'git describe --abbrev=4 HEAD' >/dev/null 2>&1 || {
 	$GIT describe --abbrev=4 HEAD | sed -e 's/-/./g' >version
 }
 
-case "$(asciidoc --version 2>&1)" in
-asciidoc' 8'.*)
-	ASCIIDOC8=YesPlease
-	export ASCIIDOC8 ;;
-esac
+d="$d ASCIIDOC_NO_ROFF=YesPlease ASCIIDOC8=YesPlease"
 
 CFLAGS="$O $Wall -Wdeclaration-after-statement -g"