diff --git a/lib/matplotlib/cbook/__init__.py b/lib/matplotlib/cbook/__init__.py
index 774643fc9c99..f196399a195d 100644
--- a/lib/matplotlib/cbook/__init__.py
+++ b/lib/matplotlib/cbook/__init__.py
@@ -2259,4 +2259,6 @@ def _unpack_to_numpy(x):
         # so in this case we do not want to return a function
         if isinstance(xtmp, np.ndarray):
             return xtmp
+    if hasattr(x, '__array__'):
+        return x.__array__()
     return x