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-rw-r--r--grc/core/generator/hier_block.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/grc/core/generator/hier_block.py b/grc/core/generator/hier_block.py
index 780dee5be3..6968b580ca 100644
--- a/grc/core/generator/hier_block.py
+++ b/grc/core/generator/hier_block.py
@@ -98,7 +98,7 @@ class HierBlockGenerator(TopBlockGenerator):
for port in get_hier_block_io(self._flow_graph, direction):
p = collections.OrderedDict()
if port.domain == Constants.GR_MESSAGE_DOMAIN:
- p['id'] = port.id
+ p['id'] = port.key
p['label'] = port.parent.params['label'].value
if port.domain != Constants.DEFAULT_DOMAIN:
p['domain'] = port.domain