diff --git a/.changeset/clean-toys-reply.md b/.changeset/clean-toys-reply.md
new file mode 100644
index 0000000000..66002903ab
--- /dev/null
+++ b/.changeset/clean-toys-reply.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-auth-node': patch
+---
+
+remove leading dot in auth cookie cleanup call
diff --git a/plugins/auth-node/src/oauth/OAuthCookieManager.ts b/plugins/auth-node/src/oauth/OAuthCookieManager.ts
index b356f49397..49cb188880 100644
--- a/plugins/auth-node/src/oauth/OAuthCookieManager.ts
+++ b/plugins/auth-node/src/oauth/OAuthCookieManager.ts
@@ -189,7 +189,7 @@ export class OAuthCookieManager {
       const { hostname: domain } = new URL(this.options.callbackUrl);
       output = output.cookie(name, '', {
         ...this.getRemoveCookieOptions(),
-        domain: `.${domain}`,
+        domain: domain,
       });
     }