diff --git a/tf-pr-comment.sh b/tf-pr-comment.sh
index 29e63c9..235d60a 100644
--- a/tf-pr-comment.sh
+++ b/tf-pr-comment.sh
@@ -67,28 +67,13 @@ ${COMMENTER_INPUT}
 ${EXIT_STATUS_MSG}
 "
 
-# === Determine PR_COMMENTS_URL if missing ===========================
-if [[ -z "$PR_COMMENTS_URL" ]]; then
-  echo "⚠️ PR_COMMENTS_URL not provided, attempting to generate..."
-
-  if [[ -n "$GITEA_API_URL" && -n "$GITEA_REPOSITORY" && -n "$GITEA_PULL_REQUEST_ID" ]]; then
+# === Generate PR_COMMENTS_URL if not provided ========================
+if [[ -z "${PR_COMMENTS_URL:-}" ]]; then
+  if [[ -n "${GITEA_API_URL:-}" && -n "${GITEA_REPOSITORY:-}" && -n "${GITEA_PULL_REQUEST_ID:-}" ]]; then
     PR_COMMENTS_URL="${GITEA_API_URL}/repos/${GITEA_REPOSITORY}/issues/${GITEA_PULL_REQUEST_ID}/comments"
-    PR_COMMENT_URI="${GITEA_API_URL}/repos/${GITEA_REPOSITORY}/issues/comments"
-    echo "✅ Generated Gitea PR_COMMENTS_URL: $PR_COMMENTS_URL"
-
-  elif [[ -n "$GITHUB_EVENT_PATH" && -f "$GITHUB_EVENT_PATH" ]]; then
-    PR_NUMBER=$(jq -r ".pull_request.number" "$GITHUB_EVENT_PATH")
-    if [[ "$PR_NUMBER" != "null" ]]; then
-      PR_COMMENTS_URL=$(jq -r ".pull_request.comments_url" "$GITHUB_EVENT_PATH")
-      PR_COMMENT_URI=$(jq -r ".repository.issue_comment_url" "$GITHUB_EVENT_PATH" | sed "s|{/number}||g")
-      echo "✅ Generated GitHub PR_COMMENTS_URL: $PR_COMMENTS_URL"
-    else
-      echo "❌ Not a pull request. Cannot generate PR_COMMENTS_URL."
-      exit 0
-    fi
-
+    echo "ℹ️ PR_COMMENTS_URL not provided, generated from Gitea context: $PR_COMMENTS_URL"
   else
-    echo "❌ Cannot determine PR_COMMENTS_URL automatically. Please provide it as input."
+    echo "❌ Missing PR_COMMENTS_URL and insufficient Gitea context (GITEA_API_URL, GITEA_REPOSITORY, GITEA_PULL_REQUEST_ID)."
     exit 1
   fi
 fi