diff --git a/navis/morpho/manipulation.py b/navis/morpho/manipulation.py
index f5058e30..40e9be61 100644
--- a/navis/morpho/manipulation.py
+++ b/navis/morpho/manipulation.py
@@ -328,11 +328,9 @@ def prune_twigs(x: NeuronObject,
 
 
 def split_axon_dendrite(x: NeuronObject,
-                        metric: Union[Literal['centrifugal'],
-                                      Literal['centripetal'],
-                                      Literal['sum'],
-                                      Literal['bending'],
-                                      Literal['segregation']] = 'segregation',
+                        metric: Union[Literal['flow_centrality'],
+                                      Literal['bending_flow'],
+                                      Literal['segregation_index']] = 'flow_centrality',
                         flow_thresh: float = .9,
                         split: Union[Literal['prepost'],
                                      Literal['distance']] = 'prepost',