diff --git a/plugins/feature/map/webserver.cpp b/plugins/feature/map/webserver.cpp
index 3a2eb2924..cb9116cd3 100644
--- a/plugins/feature/map/webserver.cpp
+++ b/plugins/feature/map/webserver.cpp
@@ -15,6 +15,7 @@
 // along with this program. If not, see <http://www.gnu.org/licenses/>.          //
 ///////////////////////////////////////////////////////////////////////////////////
 
+#include <QtAlgorithms>
 #include <QResource>
 #include <QFile>
 #include <QRegularExpression>
@@ -41,6 +42,11 @@ WebServer::WebServer(quint16 &port, QObject* parent) :
     m_mimeTypes.insert(".geojson", new MimeType("application/geo+json"));
 }
 
+WebServer::~WebServer()
+{
+    qDeleteAll(m_mimeTypes);
+}
+
 void WebServer::incomingConnection(qintptr socket)
 {
     QTcpSocket* s = new QTcpSocket(this);
diff --git a/plugins/feature/map/webserver.h b/plugins/feature/map/webserver.h
index 7aa5070da..b24f92ba4 100644
--- a/plugins/feature/map/webserver.h
+++ b/plugins/feature/map/webserver.h
@@ -64,6 +64,7 @@ private:
 
 public:
     WebServer(quint16 &port, QObject* parent = 0);
+    ~WebServer();
     void incomingConnection(qintptr socket) override;
     void addPathSubstitution(const QString &from, const QString &to);
     void addSubstitution(QString path, QString from, QString to);