diff --git a/plugins/3MFReader/ThreeMFWorkspaceReader.py b/plugins/3MFReader/ThreeMFWorkspaceReader.py
index e40a7c5479..278e3030ec 100755
--- a/plugins/3MFReader/ThreeMFWorkspaceReader.py
+++ b/plugins/3MFReader/ThreeMFWorkspaceReader.py
@@ -651,7 +651,7 @@ class ThreeMFWorkspaceReader(WorkspaceReader):
                     stack.setMetaDataEntry("machine", global_stack_id_new)
 
                 # Only machines need a new name, stacks may be non-unique
-                stack.setName(self._container_registry.uniqueName(stack.getName()))
+                stack.setName(global_stack_id_new)
 
                 container_stacks_added.append(stack)
                 self._container_registry.addContainer(stack)