diff --git a/packages/core/src/__tests__/auto.test.ts b/packages/core/src/__tests__/auto.test.ts
index 50eea556f..8913a30ea 100644
--- a/packages/core/src/__tests__/auto.test.ts
+++ b/packages/core/src/__tests__/auto.test.ts
@@ -450,13 +450,11 @@ describe("Auto", () => {
     test("should catch exceptions when status fails to post", async () => {
       const auto = new Auto(defaults);
 
-      process.exit = jest.fn() as any;
       auto.logger = dummyLog();
       await auto.loadConfig();
       auto.git!.createStatus = createStatus;
 
       await auto.prStatus({ ...required, sha: "1234" });
-      expect(process.exit).toHaveBeenCalled();
       expect(createStatus).toHaveBeenCalled();
     });
 
diff --git a/packages/core/src/auto.ts b/packages/core/src/auto.ts
index c7253ebca..c53c45469 100644
--- a/packages/core/src/auto.ts
+++ b/packages/core/src/auto.ts
@@ -950,13 +950,7 @@ export default class Auto {
     }
 
     let { sha } = options;
-    let prNumber: number | undefined;
-
-    try {
-      prNumber = this.getPrNumber("pr", pr);
-    } catch (error) {
-      // default to sha if no PR found
-    }
+    const prNumber = getPrNumberFromEnv(pr);
 
     this.logger.verbose.info("Using command: 'pr-status'");