diff --git a/plugins/3MFReader/ThreeMFWorkspaceReader.py b/plugins/3MFReader/ThreeMFWorkspaceReader.py
index 86be2f0380..bec50b5660 100755
--- a/plugins/3MFReader/ThreeMFWorkspaceReader.py
+++ b/plugins/3MFReader/ThreeMFWorkspaceReader.py
@@ -53,6 +53,7 @@ _ignored_machine_network_metadata = {
     "connection_type",
     "capabilities",
     "octoprint_api_key",
+    "is_abstract_machine"
 }  # type: Set[str]