diff --git a/lib/run.js b/lib/run.js
index 015a4e6..19dc8e6 100644
--- a/lib/run.js
+++ b/lib/run.js
@@ -37,9 +37,10 @@ function decrypt_key(deploy_key, enc_rsa_key_pth, options) {
     yield runner1.exec();
 
     const authSock = '/tmp/ssh-auth.sock'
-    const runner2 = new toolrunner.ToolRunner('ssh-agent', ['-a', authSock]);
-    yield runner2.exec();
-
+    if (!fs.existsSync(authSock)) {
+      const runner2 = new toolrunner.ToolRunner('ssh-agent', ['-a', authSock]);
+      yield runner2.exec();
+    }
     core.exportVariable('SSH_AUTH_SOCK', authSock);
     const runner3 = new toolrunner.ToolRunner('ssh-add', ['config/deploy_id_rsa'], options);
     yield runner3.exec();