diff --git a/mkasc.sh b/mkasc.sh
index 2c9836f1709..4d5b73e20b2 100755
--- a/mkasc.sh
+++ b/mkasc.sh
@@ -6,5 +6,6 @@ cd /transfer
 sha256sum * > firejail-$1-unsigned
 gpg --clearsign --digest-algo SHA256 < firejail-$1-unsigned > firejail-$1.asc
 gpg --verify firejail-$1.asc
+gpg --detach-sign --armor firejail-$1.tar.xz
 rm firejail-$1-unsigned