diff --git a/nixos/profiles/services/hydra/hook.sh b/nixos/profiles/services/hydra/hook.sh
index ff5b539b1..349158257 100644
--- a/nixos/profiles/services/hydra/hook.sh
+++ b/nixos/profiles/services/hydra/hook.sh
@@ -24,7 +24,7 @@ if [ "$hit" = "true" ]; then
   job=$(jq -r ".job" "$HYDRA_JSON")
   echo "job = $job"
 
-  if [[ $job =~ ^(.*)\.nixos/(.*)$ && "$(jq --raw-output '.jobset' "$HYDRA_JSON")" == "main" ]]; then
+  if [[ $job =~ ^(.*)\.nixos/([^/]*)$ && "$(jq --raw-output '.jobset' "$HYDRA_JSON")" == "main" ]]; then
     _system="${BASH_REMATCH[1]}"
     host="${BASH_REMATCH[2]}"