diff --git a/plugins/feature/map/webserver.cpp b/plugins/feature/map/webserver.cpp
index cb9116cd3..aa299cc28 100644
--- a/plugins/feature/map/webserver.cpp
+++ b/plugins/feature/map/webserver.cpp
@@ -44,6 +44,7 @@ WebServer::WebServer(quint16 &port, QObject* parent) :
 
 WebServer::~WebServer()
 {
+    qDeleteAll(m_substitutions);
     qDeleteAll(m_mimeTypes);
 }