diff --git a/doc/api/next_api_changes/behavior/29256_IMT.rst b/doc/api/next_api_changes/behavior/29256_IMT.rst
new file mode 100644
index 000000000000..57ec8f68d85c
--- /dev/null
+++ b/doc/api/next_api_changes/behavior/29256_IMT.rst
@@ -0,0 +1,6 @@
+Setting titles of figures using webagg backend
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Previously when using the ``webagg`` backend the title of a figure was set using
+``figure.set_label``. Now it is set using ``figure.canvas.manager.set_window_title``
+which is more consistent with other backends.
diff --git a/lib/matplotlib/backends/backend_webagg_core.py b/lib/matplotlib/backends/backend_webagg_core.py
index 12906827a466..33490ff66dc5 100644
--- a/lib/matplotlib/backends/backend_webagg_core.py
+++ b/lib/matplotlib/backends/backend_webagg_core.py
@@ -328,10 +328,8 @@ def handle_toolbar_button(self, event):
getattr(self.toolbar, event['name'])()
def handle_refresh(self, event):
- figure_label = self.figure.get_label()
- if not figure_label:
- figure_label = f"Figure {self.manager.num}"
- self.send_event('figure_label', label=figure_label)
+ if self.manager:
+ self.send_event('figure_label', label=self.manager.get_window_title())
self._force_full = True
if self.toolbar:
# Normal toolbar init would refresh this, but it happens before the
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