diff --git a/src/tor.js b/src/tor.js
index 26799b49..c8b2b835 100644
--- a/src/tor.js
+++ b/src/tor.js
@@ -52,7 +52,7 @@ function getTorIPs(cb) {
             fs.writeFile(destination,
                          ips.join("\n"),
                          error => {
-                LOGGER.error("Failed to write to %s: %s", destination, error.stack);
+                LOGGER.error("Failed to write to %s: %s", destination, error);
             });
             return;
         }