diff --git a/mikeio/spatial/_FM_geometry_layered.py b/mikeio/spatial/_FM_geometry_layered.py
index 3b0bee2ec..479964dd6 100644
--- a/mikeio/spatial/_FM_geometry_layered.py
+++ b/mikeio/spatial/_FM_geometry_layered.py
@@ -104,7 +104,7 @@ def elements_to_geometry(
         if n_layers > 1:
             bottom: Layer = "bottom"
             elem_bot = self.get_layer_elements(layers=bottom)
-            if np.all(np.in1d(sel_elements, elem_bot)):
+            if np.all(np.isin(sel_elements, elem_bot)):
                 n_layers = 1
 
         if (