diff --git a/setup.py b/setup.py
index 8569d88fd5f6..5f1b561eb0d2 100644
--- a/setup.py
+++ b/setup.py
@@ -84,6 +84,7 @@
     setupext.BackendGtk(),
     setupext.BackendAgg(),
     setupext.BackendCairo(),
+    setupext.Windowing(),
     'Optional LaTeX dependencies',
     setupext.DviPng(),
     setupext.Ghostscript(),