diff --git a/src/cutecoin/gui/wot_tab.py b/src/cutecoin/gui/wot_tab.py
index f8ec6c27714b13fe1c9b3a7a1bc952dd235b7095..6627fe48b1e3a298479a9ea157dae96c9fad4e2b 100644
--- a/src/cutecoin/gui/wot_tab.py
+++ b/src/cutecoin/gui/wot_tab.py
@@ -117,7 +117,7 @@ class WotTabWidget(QWidget, Ui_WotTabWidget):
                 'status': arc_status,
                 'tooltip': datetime.datetime.fromtimestamp(
                     certifier['cert_time']['medianTime'] + self.signature_validity
-                ).strftime("%Y/%m/%d"),
+                ).strftime("%d/%m/%Y"),
                 'cert_time': certifier['cert_time']['medianTime']
             }
             graph[certifier['pubkey']]['arcs'] = [arc]
@@ -151,7 +151,7 @@ class WotTabWidget(QWidget, Ui_WotTabWidget):
                 'status': arc_status,
                 'tooltip': datetime.datetime.fromtimestamp(
                     certified['cert_time']['medianTime'] + self.signature_validity
-                ).strftime("%Y/%m/%d"),
+                ).strftime("%d/%m/%Y"),
                 'cert_time': certified['cert_time']['medianTime']
             }