diff --git a/src/core/networkproxyfactory.cpp b/src/core/networkproxyfactory.cpp
index 5bb7a712a..26268e2cc 100644
--- a/src/core/networkproxyfactory.cpp
+++ b/src/core/networkproxyfactory.cpp
@@ -25,6 +25,8 @@ NetworkProxyFactory::NetworkProxyFactory()
   urls << QString::fromLocal8Bit(getenv("ALL_PROXY"));
   urls << QString::fromLocal8Bit(getenv("all_proxy"));
 
+  qDebug() << "Detected system proxy URLs:" << urls;
+
   foreach (const QString& url_str, urls) {
     if (url_str.isEmpty())
       continue;
@@ -82,6 +84,7 @@ QList<QNetworkProxy> NetworkProxyFactory::queryProxy(
         ret.setType(QNetworkProxy::HttpProxy);
       else
         ret.setType(QNetworkProxy::Socks5Proxy);
+      qDebug() << "Using proxy URL:" << env_url_;
     }
     break;
 #else