diff --git a/mu_map/dataset/patches.py b/mu_map/dataset/patches.py
index ab8d81fff4b26139779d30ef1613bb9b9aa760a9..248a0a51832880c4cbd0e7a14a067023e7635f5c 100644
--- a/mu_map/dataset/patches.py
+++ b/mu_map/dataset/patches.py
@@ -45,7 +45,7 @@ class MuMapPatchDataset(MuMapDataset):
         self.patches = []
         self.generate_patches()
 
-    def split_copy(self, split_name: str):
+    def copy(self, split_name: str):
         return MuMapPatchDataset(
             dataset_dir=self.dir,
             patches_per_image=self.patches_per_image,