diff --git a/messageviewer/src/viewer/webengine/loadexternalreferencesurlinterceptor/loadexternalreferencesurlinterceptor.cpp b/messageviewer/src/viewer/webengine/loadexternalreferencesurlinterceptor/loadexternalreferencesurlinterceptor.cpp
index c069b0a1..667af9f0 100644
--- a/messageviewer/src/viewer/webengine/loadexternalreferencesurlinterceptor/loadexternalreferencesurlinterceptor.cpp
+++ b/messageviewer/src/viewer/webengine/loadexternalreferencesurlinterceptor/loadexternalreferencesurlinterceptor.cpp
@@ -1,57 +1,61 @@
 /*
    Copyright (C) 2016-2018 Laurent Montel <montel@kde.org>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 */
 
 #include "loadexternalreferencesurlinterceptor.h"
 
 #include <QWebEngineUrlRequestInfo>
 
 using namespace MessageViewer;
 
 LoadExternalReferencesUrlInterceptor::LoadExternalReferencesUrlInterceptor(QObject *parent)
     : WebEngineViewer::NetworkPluginUrlInterceptorInterface(parent)
 {
 }
 
 LoadExternalReferencesUrlInterceptor::~LoadExternalReferencesUrlInterceptor()
 {
 }
 
 bool LoadExternalReferencesUrlInterceptor::interceptRequest(QWebEngineUrlRequestInfo &info)
 {
+    const QString scheme = info.requestUrl().scheme();
+    if (scheme == QStringLiteral("data")
+        || scheme == QStringLiteral("file"))
+        return false;
     if (mAllowLoadExternalReference) {
         return false;
     } else {
         if (info.resourceType() == QWebEngineUrlRequestInfo::ResourceTypeImage
             && !info.requestUrl().isLocalFile()
-            && (info.requestUrl().scheme() != QLatin1String("cid"))) {
+            && (scheme != QLatin1String("cid"))) {
             return true;
         }
     }
     return false;
 }
 
 void LoadExternalReferencesUrlInterceptor::setAllowExternalContent(bool b)
 {
     mAllowLoadExternalReference = b;
 }
 
 bool LoadExternalReferencesUrlInterceptor::allowExternalContent() const
 {
     return mAllowLoadExternalReference;
 }