diff --git a/zenmap/radialnet/gui/NodeNotebook.py b/zenmap/radialnet/gui/NodeNotebook.py
index da1272950..c850c3889 100644
--- a/zenmap/radialnet/gui/NodeNotebook.py
+++ b/zenmap/radialnet/gui/NodeNotebook.py
@@ -127,6 +127,7 @@ from radialnet.bestwidgets.boxes import *
 from radialnet.bestwidgets.expanders import BWExpander
 from radialnet.bestwidgets.labels import *
 from radialnet.bestwidgets.textview import *
+import zenmapCore.I18N
 
 
 PORTS_HEADER = [