diff --git a/docs/Makefile.sphinx b/docs/Makefile.sphinx
index 78c3d71bab4..8b9cb8b5299 100644
--- a/docs/Makefile.sphinx
+++ b/docs/Makefile.sphinx
@@ -49,7 +49,8 @@ html:
 	@# FIXME: Remove this `cp` once HTML->Sphinx transition is completed.
 	@# Kind of a hack, but HTML-formatted docs are on the way out anyway.
 	@echo "Copying legacy HTML-formatted docs into $(BUILDDIR)/html"
-	@cp -a *.html tutorial/*.html $(BUILDDIR)/html
+	@cp -a *.html $(BUILDDIR)/html
+	@cp tutorial/*.html tutorial/*.png $(BUILDDIR)/html
 	@echo "Build finished. The HTML pages are in $(BUILDDIR)/html."
 
 dirhtml: