diff --git a/electrum/plot.py b/electrum/plot.py
index 3e3604d29..a9a4cb922 100644
--- a/electrum/plot.py
+++ b/electrum/plot.py
@@ -5,7 +5,7 @@ from decimal import Decimal
 from collections import defaultdict
 
 import matplotlib
-matplotlib.use('Qt5Agg')
+matplotlib.use('QtAgg')
 import matplotlib.pyplot as plt
 import matplotlib.dates as md