diff --git setup.cfg.template setup.cfg.template
index 8af8b6d..4e4f9d2 100644
--- setup.cfg.template
+++ setup.cfg.template
@@ -78,5 +78,5 @@
 # if you have disabled the relevent extension modules.  Agg will be used
 # by default.
 #
-#backend = Agg
+backend = Qt5Agg
 #
