diff --git a/src/core/download_manager_delegate_qt.cpp b/src/core/download_manager_delegate_qt.cpp
index 4ed77688ecce4580807101bb8d3c521400025c17..9fe233577fe10ca446c20929731ee087bc072a4b 100644
--- a/src/core/download_manager_delegate_qt.cpp
+++ b/src/core/download_manager_delegate_qt.cpp
@@ -43,6 +43,7 @@
 #include "content/public/browser/download_manager.h"
 #include "content/public/browser/save_page_type.h"
 #include "content/public/browser/web_contents.h"
+#include "net/base/net_string_util.h"
 #include "net/http/http_content_disposition.h"
 
 #include <QDir>
@@ -136,7 +137,7 @@ bool DownloadManagerDelegateQt::DetermineDownloadTarget(download::DownloadItem*
     }
 
     if (suggestedFilename.isEmpty())
-        suggestedFilename = toQt(net::HttpContentDisposition(item->GetContentDisposition(), std::string()).filename());
+        suggestedFilename = toQt(net::HttpContentDisposition(item->GetContentDisposition(), net::kCharsetLatin1).filename());
 
     if (suggestedFilename.isEmpty())
         suggestedFilename = toQt(item->GetTargetFilePath().AsUTF8Unsafe());