diff --git a/freetds.yaml b/freetds.yaml
index 233656f..9375f4a 100644
--- a/freetds.yaml
+++ b/freetds.yaml
@@ -1,4 +1,4 @@
 version_control: github
 src_repo: FreeTDS/freetds
-tag_prefix: ^R1_
-seperator: .
+tag_prefix: ^R
+seperator: _