diff --git a/lib/util/sanitize.ts b/lib/util/sanitize.ts
index 0ff2667d2903bb449029624f9202b9f52625f557..eeaac7767bd2c3632155c43e3a3e7f5b2cd653d9 100644
--- a/lib/util/sanitize.ts
+++ b/lib/util/sanitize.ts
@@ -28,6 +28,7 @@ export function sanitize(input: string): string {
 
 export function add(secret: string): void {
   secrets.add(secret);
+  secrets.add(secret?.replace('x-access-token:', '')); // GitHub App tokens
 }
 
 export function clear(): void {