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-rw-r--r--src/engine/events/CreatePort.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/engine/events/CreatePort.cpp b/src/engine/events/CreatePort.cpp
index b64e57b2..ba4fd9fe 100644
--- a/src/engine/events/CreatePort.cpp
+++ b/src/engine/events/CreatePort.cpp
@@ -99,7 +99,10 @@ CreatePort::pre_process()
const uint32_t old_num_ports = _patch->num_ports();
_patch_port = _patch->create_port(_path.name(), _data_type, buffer_size, _is_output);
- _patch_port->set_property("rdf:instanceOf", Atom(Atom::URI, _patch_port->meta_uri().str()));
+ if (_patch->parent())
+ _patch_port->set_property("rdf:instanceOf",
+ Atom(Atom::URI, _patch_port->meta_uri().str()));
+
_patch_port->meta().properties().insert(_properties.begin(), _properties.end());
if (_patch_port) {