diff --git a/src/classes/PullRequest.ts b/src/classes/PullRequest.ts
index 3dc3983..b01748a 100644
--- a/src/classes/PullRequest.ts
+++ b/src/classes/PullRequest.ts
@@ -105,7 +105,7 @@ export default class PullRequest {
   }
 
   async getReviewStatus(): Promise<
-    'changesRequested' | 'needsMoreApprovals' | 'approved'
+    'changesRequested' | 'needsMoreApprovals' | 'approved' | undefined
   > {
     const reviews = (
       await this.octokit.pulls.listReviews({
@@ -119,6 +119,8 @@ export default class PullRequest {
         ['APPROVED', 'CHANGES_REQUESTED'].includes(r.state),
     );
 
+    if (reviews.length < 1) return;
+
     const latestReviewsObj: { [key: number]: { state: string; time: number } } =
       {};
 
diff --git a/src/handlers/pullRequestReview.ts b/src/handlers/pullRequestReview.ts
index 665c89b..ac31c46 100644
--- a/src/handlers/pullRequestReview.ts
+++ b/src/handlers/pullRequestReview.ts
@@ -7,6 +7,8 @@ export default (app: Probot) => {
     const pr = new PullRequest(context);
     const reviewStatus = await pr.getReviewStatus();
 
+    if (!reviewStatus) return;
+
     await pr.addLabel(reviewStatus);
   });
 };