diff --git a/README.md b/README.md
index b3c0afa..a1f9b07 100644
--- a/README.md
+++ b/README.md
@@ -43,6 +43,10 @@ Uses code & concepts from:
 
 Releases
 --------
+### 3.2.4: 2024-09-03
+
+- Fix [issue when using the Agg backend on Windows](https://github.com/joshburnett/addcopyfighandler/issues/20), which doesn't support get_window_title().
+
 ### 3.2.3: 2024-09-03
 
 - Fixed [an issue with copying when there are multiple figures](https://github.com/joshburnett/addcopyfighandler/issues/19).
diff --git a/src/addcopyfighandler.py b/src/addcopyfighandler.py
index 2359e6e..2468a0c 100644
--- a/src/addcopyfighandler.py
+++ b/src/addcopyfighandler.py
@@ -45,7 +45,7 @@
 import matplotlib.backends
 import matplotlib.pyplot as plt
 
-__version__ = '3.2.3'
+__version__ = '3.2.4'
 __version_info__ = tuple(int(i) if i.isdigit() else i for i in __version__.split('.'))
 
 oldfig = plt.figure
@@ -105,7 +105,11 @@ def copyfig(fig=None, format=None, *args, **kwargs):
                     fig = fig_to_check
                     break
         else:
-            fig_window_text = fig.canvas.manager.get_window_title()
+            try:
+                fig_window_text = fig.canvas.manager.get_window_title()
+            except AttributeError:
+                # A figure was specified, but the backend doesn't support get_window_title(). This happens w/ Agg.
+                fig_window_text = None
 
         if fig is None:
             raise AttributeError('No figure found!')
@@ -138,7 +142,10 @@ def copyfig(fig=None, format=None, *args, **kwargs):
         win32clipboard.SetClipboardData(format_id, data)
         win32clipboard.CloseClipboard()
 
-        print(f'Figure copied: Window title="{fig_window_text}"')
+        if fig_window_text is not None:
+            print(f'Figure copied: Window title="{fig_window_text}"')
+        else:
+            print('Figure copied')
 
 elif 'qt' in backend.lower():
     # Use Qt version from matplotlib.