diff --git a/tools/release.sh b/tools/release.sh
index 2e26e3dab..8c2d04cd4 100755
--- a/tools/release.sh
+++ b/tools/release.sh
@@ -189,6 +189,9 @@ done
 
 # This signature is not quite as strong, but easier for people to verify out of band
 gpg -u "$RELEASE_GPG_KEY" --detach-sign --armor --sign letsencrypt-auto-source/letsencrypt-auto
+# We can't rename the openssl letsencrypt-auto.sig for compatibility reasons,
+# but we can use the right name for cerbot-auto.asc from day one
+mv letsencrypt-auto-source/letsencrypt-auto.asc letsencrypt-auto-source/certbot-auto.asc
 
 # copy leauto to the root, overwriting the previous release version
 cp -p letsencrypt-auto-source/letsencrypt-auto certbot-auto