diff --git a/.github/workflows/enforce-labelling.yml b/.github/workflows/enforce-labelling.yml
index 6254af247..6d315e6db 100644
--- a/.github/workflows/enforce-labelling.yml
+++ b/.github/workflows/enforce-labelling.yml
@@ -33,8 +33,17 @@ jobs:
             "https://api.github.com/repos/$REPO_OWNER/$REPO_NAME/issues/$PR_NUMBER/timeline")
           echo "Timeline JSON: $TIMELINE_JSON"
 
-          # LINKED_ISSUES=$(echo "$TIMELINE_JSON" | jq '[.[] | select(.event == "cross-referenced") | .source.issue.number] | length')
-          LINKED_ISSUES=$(echo "$TIMELINE_JSON" | jq '[.[] | select(.event == "cross-referenced" or .event == "connected") | .source.issue.number] | length')
+          LINKED_ISSUES=$(echo "$TIMELINE_JSON" | jq '
+            reduce .[] as $event (
+              {};
+              if $event.event == "cross-referenced" or $event.event == "connected" then
+                .[$event.source.issue.number] = true
+              elif $event.event == "unlinked" then
+                del(.[$event.source.issue.number])
+              else
+                .
+              end
+            ) | keys | length')
           if [ "$LINKED_ISSUES" -eq "0" ]; then
             echo "No linked issues found in the pull request."
             exit 1