diff --git a/src/sakia/core/graph/base_graph.py b/src/sakia/core/graph/base_graph.py
index bc4e53506f4095663daa456c91dd0b06cdbd5b40..3a2cd9398b6081eb0d67066095de94dda71facc8 100644
--- a/src/sakia/core/graph/base_graph.py
+++ b/src/sakia/core/graph/base_graph.py
@@ -107,6 +107,7 @@ class BaseGraph(QObject):
                             QLocale.dateFormat(QLocale(), QLocale.ShortFormat)
                         ),
                         'cert_time': certifier['cert_time'],
+                        'confirmation_text': self.confirmation_text(certifier['cert_time'])
                     }
 
                     self.nx_graph.add_edge(certifier['identity'].pubkey, identity.pubkey, attr_dict=arc, weight=len(certifier_list))