diff --git a/src/Mod/Plot/Plot.py b/src/Mod/Plot/Plot.py
index 00af85b42..8d7c1ea9a 100644
--- a/src/Mod/Plot/Plot.py
+++ b/src/Mod/Plot/Plot.py
@@ -33,7 +33,7 @@ try:
     matplotlib.rcParams['backend.qt4']='PySide'
     import matplotlib.pyplot as plt
     from matplotlib.backends.backend_qt4agg import FigureCanvasQTAgg as FigureCanvas
-    if V(matplotlib.__version__) < V("1.5.0"):
+    if V(matplotlib.__version__) < V("1.4.0"):
        from matplotlib.backends.backend_qt4agg import NavigationToolbar2QTAgg as NavigationToolbar
     else:
        from matplotlib.backends.backend_qt4agg import NavigationToolbar2QT as NavigationToolbar