diff --git a/tests/test-hgweb b/tests/test-hgweb
--- a/tests/test-hgweb
+++ b/tests/test-hgweb
@@ -6,8 +6,8 @@ mkdir da
 echo foo > da/foo
 echo foo > foo
 hg ci -Ambase -d '0 0'
-hg serve -p 20060 -d --pid-file=hg.pid
+hg serve -p $HGPORT -d --pid-file=hg.pid
 echo % manifest
-("$TESTDIR/get-with-headers.py" localhost:20060 '/file/tip/?style=raw')
-("$TESTDIR/get-with-headers.py" localhost:20060 '/file/tip/da?style=raw')
+("$TESTDIR/get-with-headers.py" localhost:$HGPORT '/file/tip/?style=raw')
+("$TESTDIR/get-with-headers.py" localhost:$HGPORT '/file/tip/da?style=raw')
 kill `cat hg.pid`