diff --git a/src/main.ts b/src/main.ts
index 286e594..5d18d8c 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -39,7 +39,7 @@ actionsToolkit.run(
       await core.group(`Proxy configuration found`, async () => {
         for (const host in dockerConfig.proxies) {
           let prefix = '';
-          if (dockerConfig.proxies.length > 1) {
+          if (Object.keys(dockerConfig.proxies).length > 1) {
             prefix = '  ';
             core.info(host);
           }