diff --git a/src/util.ts b/src/util.ts
index c0166ef1..a1e51b59 100644
--- a/src/util.ts
+++ b/src/util.ts
@@ -92,7 +92,13 @@ export function isGhes(): boolean {
   const ghUrl = new URL(
     process.env['GITHUB_SERVER_URL'] || 'https://github.com'
   );
-  return ghUrl.hostname.toUpperCase() !== 'GITHUB.COM';
+
+  const hostname = ghUrl.hostname.trimEnd().toUpperCase()
+  const isGitHubHost = hostname === 'GITHUB.COM'
+  const isGitHubEnterpriseCloudHost = hostname.endsWith('.GHE.COM')
+  const isLocalHost = hostname.endsWith('.LOCALHOST')
+
+  return !isGitHubHost && !isGitHubEnterpriseCloudHost && !isLocalHost
 }
 
 export function isCacheFeatureAvailable(): boolean {