diff --git a/retroshare-gui/src/gui/plugins/qdiagram_plugin/DiagramPlugin.cpp b/retroshare-gui/src/gui/plugins/qdiagram_plugin/DiagramPlugin.cpp
index cb5f2cbe2..c574352f2 100644
--- a/retroshare-gui/src/gui/plugins/qdiagram_plugin/DiagramPlugin.cpp
+++ b/retroshare-gui/src/gui/plugins/qdiagram_plugin/DiagramPlugin.cpp
@@ -23,7 +23,7 @@ DiagramPlugin::pluginName() const
 QWidget*
 DiagramPlugin::pluginWidget(QWidget * parent )
 {
-    MainWindow* window = new MainWindow(parent);
+    MainWindow* window = new MainWindow();
     //window->openImage(":/images/example.jpg");
 
     return window;
diff --git a/retroshare-gui/src/gui/plugins/qdiagram_plugin/qdiagram.pro b/retroshare-gui/src/gui/plugins/qdiagram_plugin/qdiagram.pro
index fe35d03ea..e889fd8a1 100644
--- a/retroshare-gui/src/gui/plugins/qdiagram_plugin/qdiagram.pro
+++ b/retroshare-gui/src/gui/plugins/qdiagram_plugin/qdiagram.pro
@@ -23,13 +23,13 @@ SOURCES     += DiagramPlugin.cpp
 #===============================================================================
 
 
-HEADERS = diagrampathitem.h \
+HEADERS += diagrampathitem.h \
     diagramdrawitem.h \
     mainwindow.h \
     diagramitem.h \
     diagramscene.h \
     diagramtextitem.h
-SOURCES = diagrampathitem.cpp \
+SOURCES += diagrampathitem.cpp \
     diagramdrawitem.cpp \
     mainwindow.cpp \
     diagramitem.cpp \