diff --git a/upsetplot/plotting.py b/upsetplot/plotting.py
index c2abe68..9876bcd 100644
--- a/upsetplot/plotting.py
+++ b/upsetplot/plotting.py
@@ -569,7 +569,7 @@ def make_grid(self, fig=None):
         if RENDERER_IMPORTED:
             window_extent_args["renderer"] = get_renderer(fig)
         figw = self._reorient(
-                fig.get_window_extent(**window_extent_args)).width
+            fig.get_window_extent(**window_extent_args)).width
 
         sizes = np.asarray([p['elements'] for p in self._subset_plots])
         fig = self._reorient(fig)