diff --git a/js/ui/components/networkAgent.js b/js/ui/components/networkAgent.js
index 32ec1da85..29565d214 100644
--- a/js/ui/components/networkAgent.js
+++ b/js/ui/components/networkAgent.js
@@ -494,7 +494,7 @@ var VPNRequestHandler = class {
             return;
         }
 
-        this._vpnChildProcessLineOldStyle(line);
+        this._vpnChildProcessLineOldStyle(ByteArray.toString(line));
 
         // try to read more!
         this._readStdoutOldStyle();