diff --git a/pyclesperanto_prototype/_tier9/__init__.py b/pyclesperanto_prototype/_tier9/__init__.py
index 140b2574..f0c5dd4a 100644
--- a/pyclesperanto_prototype/_tier9/__init__.py
+++ b/pyclesperanto_prototype/_tier9/__init__.py
@@ -17,7 +17,7 @@
 from ._label_mean_extension_map import label_mean_extension_map
 from ._label_mean_extension_map import label_mean_extension_map as mean_extension_map
 from ._label_maximum_extension_map import label_maximum_extension_map
-from ._label_maximum_extension_map import label_maximum_extension_map as label_maximum_extension_map
+from ._label_maximum_extension_map import label_maximum_extension_map as maximum_extension_map
 from ._label_maximum_extension_ratio_map import label_maximum_extension_ratio_map
 from ._label_maximum_extension_ratio_map import label_maximum_extension_ratio_map as extension_ratio_map
 from ._label_maximum_intensity_map import label_maximum_intensity_map