diff --git a/tests/test b/tests/test
index ac52389..e947706 100755
--- a/tests/test
+++ b/tests/test
@@ -24,7 +24,7 @@ if [ $(basename $(sudo readlink /proc/1/exe)) == systemd ] ; then
 fi
 
 STAGE1_SRC_FROM_HOST=0
-if tar tvf ../bin/stage1.aci rootfs/flavor|grep -q usr-from-host ; then
+if tar xOvf ../bin/stage1.aci ./manifest|grep -q usr-from-host ; then
 	STAGE1_SRC_FROM_HOST=1
 fi