diff --git a/debian/watch b/debian/watch
index 529ad14..fdbf4c7 100644
--- a/debian/watch
+++ b/debian/watch
@@ -1,3 +1,2 @@
 version=4
-opts=filenamemangle=s/.+\/v?(\d\S+)\.tar\.gz/ck-$1\.tar\.gz/ \
-https://github.com/concurrencykit/ck/tags .*/v?(\d\S+)\.tar\.gz
+https://github.com/concurrencykit/ck/tags .*/v?(\d.*)@ARCHIVE_EXT@