diff --git a/plugins/feature/skymap/webserver.cpp b/plugins/feature/skymap/webserver.cpp
index 23dc85e7be..50403fb508 100644
--- a/plugins/feature/skymap/webserver.cpp
+++ b/plugins/feature/skymap/webserver.cpp
@@ -41,6 +41,11 @@ 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/skymap/webserver.h b/plugins/feature/skymap/webserver.h
index da3e034b3d..292078e352 100644
--- a/plugins/feature/skymap/webserver.h
+++ b/plugins/feature/skymap/webserver.h
@@ -64,6 +64,7 @@ class WebServer : public QTcpServer
 
 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);