diff --git a/Code/Mantid/MantidPlot/src/ApplicationWindow.cpp b/Code/Mantid/MantidPlot/src/ApplicationWindow.cpp
index b7a45d57e68096747893b927b2664049aee6bb47..49512ec4d7f893aeaaf3e32dea1b9d1b453dcd39 100644
--- a/Code/Mantid/MantidPlot/src/ApplicationWindow.cpp
+++ b/Code/Mantid/MantidPlot/src/ApplicationWindow.cpp
@@ -11803,7 +11803,7 @@ void ApplicationWindow::analyzeCurve(Graph *g, Analysis operation, const QString
       ScaleEngine *se = dynamic_cast<ScaleEngine *>(g->plotWidget()->axisScaleEngine(c->xAxis()));
       if(se)
       {
-        if(se->type() == QwtScaleTransformation::Log10)
+        if(se->type() == ScaleTransformation::Log10)
           fitter = new LogisticFit (this, g);
         else
           fitter = new SigmoidalFit (this, g);