diff --git a/src/sakia/gui/navigation/network/table_model.py b/src/sakia/gui/navigation/network/table_model.py
index 7a4beb1206cbc943e55d24d7a783c54446f72703..6b3d00c106b1514d02c899d91e4225a60ff588e3 100644
--- a/src/sakia/gui/navigation/network/table_model.py
+++ b/src/sakia/gui/navigation/network/table_model.py
@@ -27,6 +27,9 @@ class NetworkFilterProxyModel(QSortFilterProxyModel):
                              NetworkTableModel.columns_types.index('current_time')):
             left_data = int(left_data) if left_data != '' else 0
             right_data = int(right_data) if right_data != '' else 0
+            if left_data == right_data:
+                pubkey_col = NetworkTableModel.columns_types.index('pubkey')
+                return self.lessThan(self.index(left.row(), pubkey_col), self.index(right.row(), pubkey_col))
 
         return left_data < right_data