diff --git a/invesalius/net/neuronavigation_api.py b/invesalius/net/neuronavigation_api.py
index 6e13b4c..60b81da 100644
--- a/invesalius/net/neuronavigation_api.py
+++ b/invesalius/net/neuronavigation_api.py
@@ -17,6 +17,7 @@
 #    detalhes.
 #--------------------------------------------------------------------------
 
+from invesalius.pubsub import pub as Publisher
 from invesalius.utils import Singleton
 
 class NeuronavigationApi(metaclass=Singleton):
--
libgit2 0.21.2