diff --git a/nexus/nexus.py b/nexus/nexus.py
index 61feb23331e542107f35b25ff73dd5319558b6a8..377d34a35d66d8ebdc74e7bb0ee28418122d7bd4 100755
--- a/nexus/nexus.py
+++ b/nexus/nexus.py
@@ -753,7 +753,7 @@ class NexusWindow(*load_ui("NexusWindow.ui")):
         inventory in ascending/descending order
         '''
         index = self.uiInventoryTree.indexAt(point)
-        node = index.model().get_node(index)
+        node = self.inv_model.get_node(index)
         node_type = ''
         if isinstance(node, NetworkNode):
             node_type = 'Networks'