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-rw-r--r--src/gui/GraphCanvas.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/gui/GraphCanvas.cpp b/src/gui/GraphCanvas.cpp
index b89a2ddb..bb60caa5 100644
--- a/src/gui/GraphCanvas.cpp
+++ b/src/gui/GraphCanvas.cpp
@@ -841,7 +841,7 @@ GraphCanvas::menu_add_port(const string& sym_base,
}
void
-GraphCanvas::load_plugin(WPtr<PluginModel> weak_plugin)
+GraphCanvas::load_plugin(const WPtr<PluginModel>& weak_plugin)
{
SPtr<PluginModel> plugin = weak_plugin.lock();
if (!plugin) {