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-rw-r--r--src/gui/NodeModule.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/gui/NodeModule.cpp b/src/gui/NodeModule.cpp
index 97edaa84..0a24b39f 100644
--- a/src/gui/NodeModule.cpp
+++ b/src/gui/NodeModule.cpp
@@ -110,6 +110,8 @@ NodeModule::create(boost::shared_ptr<PatchCanvas> canvas, SharedPtr<NodeModel> n
void
NodeModule::show_human_names(bool b)
{
+ Glib::Mutex::Lock lock(App::instance().world()->rdf_world->mutex());
+
if (b && node()->plugin())
set_name(((PluginModel*)node()->plugin())->human_name());
else