diff --git a/Code/Mantid/MantidPlot/src/Mantid/PeakPickerTool.cpp b/Code/Mantid/MantidPlot/src/Mantid/PeakPickerTool.cpp
index fcea10336ed9c830600a373d0ce12eb1fca8c74e..f1949d58746a385042d50d02e702f2d2187ed260 100644
--- a/Code/Mantid/MantidPlot/src/Mantid/PeakPickerTool.cpp
+++ b/Code/Mantid/MantidPlot/src/Mantid/PeakPickerTool.cpp
@@ -88,9 +88,8 @@ m_width_set(true),m_width(0),m_addingPeak(false),m_resetting(false)
           this,SLOT(removePlot(MantidQt::MantidWidgets::PropertyHandler*)));
   connect(m_fitPropertyBrowser,SIGNAL(removeFitCurves()),this,SLOT(removeFitCurves()));
 
-  // When fit browser destroyed, disable oneself in the parent graph 
-  connect(m_fitPropertyBrowser, SIGNAL( destroyed() ), graph, SLOT( disableTools() ), 
-    Qt::QueuedConnection);
+  // When fit browser destroyed, disable oneself in the parent graph
+  connect(m_fitPropertyBrowser, SIGNAL(destroyed()), graph, SLOT(disableTools()));
 
   //Show the fitPropertyBrowser if it isn't already.
   if (showFitPropertyBrowser) m_fitPropertyBrowser->show();