diff --git a/add_mesh_ant_landscape.py b/add_mesh_ant_landscape.py
index b7fe7d0bc579f40415b62a5a4b70cdadeeca1a0a..f30b90d2a80f3cdeddbabf24e80ced376170ab0c 100644
--- a/add_mesh_ant_landscape.py
+++ b/add_mesh_ant_landscape.py
@@ -779,7 +779,7 @@ class landscape_add(bpy.types.Operator):
             # sphere, remove doubles
             if self.SphereMesh !=0:
                 bpy.ops.object.mode_set(mode='EDIT')
-                bpy.ops.mesh.remove_doubles(limit=0.0001)
+                bpy.ops.mesh.remove_doubles(mergedist=0.0001)
                 bpy.ops.object.mode_set(mode='OBJECT')
 
             # Shade smooth