diff --git a/Lib/idlelib/idle_test/htest.py b/Lib/idlelib/idle_test/htest.py
index 68eae67aff3ec5..95f627439297cc 100644
--- a/Lib/idlelib/idle_test/htest.py
+++ b/Lib/idlelib/idle_test/htest.py
@@ -65,6 +65,7 @@ def _wrapper(parent):  # htest #
 outwin.OutputWindow (indirectly being tested with grep test)
 '''
 
+import idlelib.pyshell  # Set Windows DPI awareness before Tk().
 from importlib import import_module
 import tkinter as tk
 from tkinter.ttk import Scrollbar
diff --git a/Misc/NEWS.d/next/IDLE/2018-06-26-22-53-14.bpo-33975.Ow7alv.rst b/Misc/NEWS.d/next/IDLE/2018-06-26-22-53-14.bpo-33975.Ow7alv.rst
new file mode 100644
index 00000000000000..fd975bbff3b3a6
--- /dev/null
+++ b/Misc/NEWS.d/next/IDLE/2018-06-26-22-53-14.bpo-33975.Ow7alv.rst
@@ -0,0 +1,3 @@
+Avoid small type when running htests. Since part of the purpose of human-
+viewed tests is to determine that widgets look right, it is important that
+they look the same for testing as when running IDLE.