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-rw-r--r--src/gui/GraphPortModule.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/gui/GraphPortModule.cpp b/src/gui/GraphPortModule.cpp
index 77d8a6fe..9f403d6b 100644
--- a/src/gui/GraphPortModule.cpp
+++ b/src/gui/GraphPortModule.cpp
@@ -52,6 +52,9 @@ GraphPortModule::GraphPortModule(GraphCanvas& canvas,
assert(dynamic_ptr_cast<const GraphModel>(model->parent()));
set_stacked(model->polyphonic());
+ if (model->is_input()) {
+ set_is_source(true);
+ }
model->signal_property().connect(
sigc::mem_fun(this, &GraphPortModule::property_changed));