diff --git a/lib/matplotlib/backend_bases.py b/lib/matplotlib/backend_bases.py
index 2fabb3c891ad..296de47884f0 100644
--- a/lib/matplotlib/backend_bases.py
+++ b/lib/matplotlib/backend_bases.py
@@ -2091,7 +2091,8 @@ def print_figure(self, filename, dpi=None, facecolor='w', edgecolor='w',
                 if bbox_filtered:
                     _bbox = Bbox.union(bbox_filtered)
                     trans = Affine2D().scale(1.0 / self.figure.dpi)
-                    bbox_inches = TransformedBbox(_bbox, trans)
+                    bbox_inches = Bbox.union([bbox_inches,
+                                              TransformedBbox(_bbox, trans)])
 
                 pad = kwargs.pop("pad_inches", None)
                 if pad is None: