diff --git a/source-highlight.yaml b/source-highlight.yaml
index 21c9027..a5a3007 100644
--- a/source-highlight.yaml
+++ b/source-highlight.yaml
@@ -1,4 +1,4 @@
 version_control: git
 src_repo: https://git.savannah.gnu.org/git/src-highlite.git
 tag_prefix: ^rel_
-seperator: _
+seperator: "_"