diff --git a/fetchmail.yaml b/fetchmail.yaml
index f3ff8ee1d91b58d27948a237dce31af543cb4028..eb990fad479275e9110bc388532478cac9731d4c 100644
--- a/fetchmail.yaml
+++ b/fetchmail.yaml
@@ -1,4 +1,4 @@
 version_control: git
 src_repo: https://gitlab.com/fetchmail/fetchmail
 tag_prefix: ^RELEASE_
-seperator: -
+seperator: "-"