diff --git a/src/sakia/gui/sub/certification/view.py b/src/sakia/gui/sub/certification/view.py
index eef91ce2b5fef851ddf8d4fb0587fa74212a62c7..5b5976382c8f9ad7b4e3c58d1c640d8a99ee183c 100644
--- a/src/sakia/gui/sub/certification/view.py
+++ b/src/sakia/gui/sub/certification/view.py
@@ -1,5 +1,5 @@
 from PyQt5.QtWidgets import QWidget, QDialogButtonBox, QFileDialog, QMessageBox
-from PyQt5.QtCore import QT_TRANSLATE_NOOP, Qt, pyqtSignal
+from PyQt5.QtCore import QT_TRANSLATE_NOOP, Qt, pyqtSignal, QCoreApplication
 from .certification_uic import Ui_CertificationWidget
 from sakia.gui.widgets import toast
 from sakia.gui.widgets.dialogs import QAsyncMessageBox
@@ -212,7 +212,7 @@ class CertificationView(QWidget, Ui_CertificationWidget):
         button_box_state = CertificationView._button_box_values[state]
         self.button_box.button(QDialogButtonBox.Ok).setEnabled(button_box_state[0])
         self.button_box.button(QDialogButtonBox.Ok).setText(
-            button_box_state[1].format(**kwargs)
+            QCoreApplication.translate("CertificationView", button_box_state[1]).format(**kwargs)
         )
 
     def set_button_process(self, state, **kwargs):
@@ -224,4 +224,4 @@ class CertificationView(QWidget, Ui_CertificationWidget):
         """
         button_process_state = CertificationView._button_process_values[state]
         self.button_process.setEnabled(button_process_state[0])
-        self.button_process.setText(button_process_state[1].format(**kwargs))
+        self.button_process.setText(QCoreApplication.translate("CertificationView", button_process_state[1]).format(**kwargs))