diff --git a/src/base/http/requestparser.cpp b/src/base/http/requestparser.cpp
index ad02fce62..9840fa88b 100644
--- a/src/base/http/requestparser.cpp
+++ b/src/base/http/requestparser.cpp
@@ -217,7 +217,7 @@ bool RequestParser::parseContent(const QByteArray &data)
         QListIterator<QPair<QString, QString> > i(QUrlQuery(url).queryItems(QUrl::FullyDecoded));
         while (i.hasNext()) {
             QPair<QString, QString> pair = i.next();
-            m_request.posts[pair.first.toLower()] = pair.second;
+            m_request.posts[pair.first] = pair.second;
         }
 
         return true;
diff --git a/src/webui/api/torrentscontroller.cpp b/src/webui/api/torrentscontroller.cpp
index 2667f39a7..0072c68e4 100644
--- a/src/webui/api/torrentscontroller.cpp
+++ b/src/webui/api/torrentscontroller.cpp
@@ -658,10 +658,10 @@ void TorrentsController::setForceStartAction()
 
 void TorrentsController::deleteAction()
 {
-    checkParams({"hashes", "delete_files"});
+    checkParams({"hashes", "deleteFiles"});
 
     const QStringList hashes {params()["hashes"].split('|')};
-    const bool deleteFiles {parseBool(params()["delete_files"], false)};
+    const bool deleteFiles {parseBool(params()["deleteFiles"], false)};
     applyToTorrents(hashes, [deleteFiles](BitTorrent::TorrentHandle *torrent)
     {
         BitTorrent::Session::instance()->deleteTorrent(torrent->hash(), deleteFiles);