diff --git a/src/Mod/Plot/Plot.py b/src/Mod/Plot/Plot.py
index 28d80dffef..94a64a104f 100644
--- a/src/Mod/Plot/Plot.py
+++ b/src/Mod/Plot/Plot.py
@@ -29,14 +29,10 @@ from distutils.version import LooseVersion as V
 
 try:
     import matplotlib
-    matplotlib.use('Qt4Agg')
-    matplotlib.rcParams['backend.qt4']='PySide'
+    matplotlib.use('Qt5Agg')
     import matplotlib.pyplot as plt
-    from matplotlib.backends.backend_qt4agg import FigureCanvasQTAgg as FigureCanvas
-    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
+    from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg as FigureCanvas
+    from matplotlib.backends.backend_qt5agg import NavigationToolbar2QT as NavigationToolbar
 
     from matplotlib.figure import Figure
 except ImportError: