diff --git a/locale/bg_BG.po b/locale/bg_BG.po
index c81a46514f..7df6dfe807 100644
--- a/locale/bg_BG.po
+++ b/locale/bg_BG.po
@@ -1065,7 +1065,7 @@ msgid "Cancel"
 msgstr "Отказ"
 
 msgctxt "wizard_button:sale.handle.invoice.exception,ask,handle:"
-msgid "Ok"
+msgid "OK"
 msgstr "Добре"
 
 msgctxt "wizard_button:sale.handle.shipment.exception,ask,end:"
@@ -1073,7 +1073,7 @@ msgid "Cancel"
 msgstr "Отказ"
 
 msgctxt "wizard_button:sale.handle.shipment.exception,ask,handle:"
-msgid "Ok"
+msgid "OK"
 msgstr "Добре"
 
 #, fuzzy
diff --git a/locale/ca_ES.po b/locale/ca_ES.po
index 3606428a4e..5181580578 100644
--- a/locale/ca_ES.po
+++ b/locale/ca_ES.po
@@ -1061,7 +1061,7 @@ msgid "Cancel"
 msgstr "Cancel·la"
 
 msgctxt "wizard_button:sale.handle.invoice.exception,ask,handle:"
-msgid "Ok"
+msgid "OK"
 msgstr "Accepta"
 
 msgctxt "wizard_button:sale.handle.shipment.exception,ask,end:"
@@ -1069,7 +1069,7 @@ msgid "Cancel"
 msgstr "Cancel·la"
 
 msgctxt "wizard_button:sale.handle.shipment.exception,ask,handle:"
-msgid "Ok"
+msgid "OK"
 msgstr "Accepta"
 
 msgctxt "wizard_button:sale.return_sale,start,end:"
diff --git a/locale/cs_CZ.po b/locale/cs_CZ.po
index 489994cb81..9da80db3af 100644
--- a/locale/cs_CZ.po
+++ b/locale/cs_CZ.po
@@ -1053,7 +1053,7 @@ msgid "Cancel"
 msgstr ""
 
 msgctxt "wizard_button:sale.handle.invoice.exception,ask,handle:"
-msgid "Ok"
+msgid "OK"
 msgstr ""
 
 msgctxt "wizard_button:sale.handle.shipment.exception,ask,end:"
@@ -1061,7 +1061,7 @@ msgid "Cancel"
 msgstr ""
 
 msgctxt "wizard_button:sale.handle.shipment.exception,ask,handle:"
-msgid "Ok"
+msgid "OK"
 msgstr ""
 
 msgctxt "wizard_button:sale.return_sale,start,end:"
diff --git a/locale/de_DE.po b/locale/de_DE.po
index 50c933678c..67e96d45b4 100644
--- a/locale/de_DE.po
+++ b/locale/de_DE.po
@@ -1074,7 +1074,7 @@ msgid "Cancel"
 msgstr "Abbrechen"
 
 msgctxt "wizard_button:sale.handle.invoice.exception,ask,handle:"
-msgid "Ok"
+msgid "OK"
 msgstr "OK"
 
 msgctxt "wizard_button:sale.handle.shipment.exception,ask,end:"
@@ -1082,7 +1082,7 @@ msgid "Cancel"
 msgstr "Abbrechen"
 
 msgctxt "wizard_button:sale.handle.shipment.exception,ask,handle:"
-msgid "Ok"
+msgid "OK"
 msgstr "OK"
 
 msgctxt "wizard_button:sale.return_sale,start,end:"
diff --git a/locale/es_AR.po b/locale/es_AR.po
index fe9b838217..cdb57721af 100644
--- a/locale/es_AR.po
+++ b/locale/es_AR.po
@@ -1060,7 +1060,7 @@ msgid "Cancel"
 msgstr "Cancelar"
 
 msgctxt "wizard_button:sale.handle.invoice.exception,ask,handle:"
-msgid "Ok"
+msgid "OK"
 msgstr "Aceptar"
 
 msgctxt "wizard_button:sale.handle.shipment.exception,ask,end:"
@@ -1068,7 +1068,7 @@ msgid "Cancel"
 msgstr "Cancelar"
 
 msgctxt "wizard_button:sale.handle.shipment.exception,ask,handle:"
-msgid "Ok"
+msgid "OK"
 msgstr "Aceptar"
 
 msgctxt "wizard_button:sale.return_sale,start,end:"
diff --git a/locale/es_CO.po b/locale/es_CO.po
index cff685ce93..c5ebd40dd8 100644
--- a/locale/es_CO.po
+++ b/locale/es_CO.po
@@ -1063,7 +1063,7 @@ msgid "Cancel"
 msgstr "Cancelar"
 
 msgctxt "wizard_button:sale.handle.invoice.exception,ask,handle:"
-msgid "Ok"
+msgid "OK"
 msgstr "Aceptar"
 
 msgctxt "wizard_button:sale.handle.shipment.exception,ask,end:"
@@ -1071,7 +1071,7 @@ msgid "Cancel"
 msgstr "Cancelar"
 
 msgctxt "wizard_button:sale.handle.shipment.exception,ask,handle:"
-msgid "Ok"
+msgid "OK"
 msgstr "Aceptar"
 
 msgctxt "wizard_button:sale.return_sale,start,end:"
diff --git a/locale/es_EC.po b/locale/es_EC.po
index df48961c6a..6f3d7bfd75 100644
--- a/locale/es_EC.po
+++ b/locale/es_EC.po
@@ -1064,7 +1064,7 @@ msgid "Cancel"
 msgstr "Cancelar"
 
 msgctxt "wizard_button:sale.handle.invoice.exception,ask,handle:"
-msgid "Ok"
+msgid "OK"
 msgstr "Aceptar"
 
 msgctxt "wizard_button:sale.handle.shipment.exception,ask,end:"
@@ -1072,7 +1072,7 @@ msgid "Cancel"
 msgstr "Cancelar"
 
 msgctxt "wizard_button:sale.handle.shipment.exception,ask,handle:"
-msgid "Ok"
+msgid "OK"
 msgstr "Aceptar"
 
 msgctxt "wizard_button:sale.return_sale,start,end:"
diff --git a/locale/es_ES.po b/locale/es_ES.po
index 6e5724cea3..a97280ee21 100644
--- a/locale/es_ES.po
+++ b/locale/es_ES.po
@@ -1061,7 +1061,7 @@ msgid "Cancel"
 msgstr "Cancelar"
 
 msgctxt "wizard_button:sale.handle.invoice.exception,ask,handle:"
-msgid "Ok"
+msgid "OK"
 msgstr "Aceptar"
 
 msgctxt "wizard_button:sale.handle.shipment.exception,ask,end:"
@@ -1069,7 +1069,7 @@ msgid "Cancel"
 msgstr "Cancelar"
 
 msgctxt "wizard_button:sale.handle.shipment.exception,ask,handle:"
-msgid "Ok"
+msgid "OK"
 msgstr "Aceptar"
 
 msgctxt "wizard_button:sale.return_sale,start,end:"
diff --git a/locale/fr_FR.po b/locale/fr_FR.po
index 11629afd9d..e6fef757db 100644
--- a/locale/fr_FR.po
+++ b/locale/fr_FR.po
@@ -1063,16 +1063,16 @@ msgid "Cancel"
 msgstr "Annuler"
 
 msgctxt "wizard_button:sale.handle.invoice.exception,ask,handle:"
-msgid "Ok"
-msgstr "Ok"
+msgid "OK"
+msgstr "OK"
 
 msgctxt "wizard_button:sale.handle.shipment.exception,ask,end:"
 msgid "Cancel"
 msgstr "Annuler"
 
 msgctxt "wizard_button:sale.handle.shipment.exception,ask,handle:"
-msgid "Ok"
-msgstr "Ok"
+msgid "OK"
+msgstr "OK"
 
 msgctxt "wizard_button:sale.return_sale,start,end:"
 msgid "Cancel"
diff --git a/locale/nl_NL.po b/locale/nl_NL.po
index e6388072ab..20939805e7 100644
--- a/locale/nl_NL.po
+++ b/locale/nl_NL.po
@@ -1098,7 +1098,7 @@ msgstr "Annuleren"
 
 #, fuzzy
 msgctxt "wizard_button:sale.handle.invoice.exception,ask,handle:"
-msgid "Ok"
+msgid "OK"
 msgstr "Oké"
 
 #, fuzzy
@@ -1108,7 +1108,7 @@ msgstr "Annuleren"
 
 #, fuzzy
 msgctxt "wizard_button:sale.handle.shipment.exception,ask,handle:"
-msgid "Ok"
+msgid "OK"
 msgstr "Oké"
 
 #, fuzzy
diff --git a/locale/ru_RU.po b/locale/ru_RU.po
index 0e62430f34..7f9aec3d8e 100644
--- a/locale/ru_RU.po
+++ b/locale/ru_RU.po
@@ -1067,7 +1067,7 @@ msgid "Cancel"
 msgstr "Отменить"
 
 msgctxt "wizard_button:sale.handle.invoice.exception,ask,handle:"
-msgid "Ok"
+msgid "OK"
 msgstr "Ок"
 
 msgctxt "wizard_button:sale.handle.shipment.exception,ask,end:"
@@ -1075,7 +1075,7 @@ msgid "Cancel"
 msgstr "Отменить"
 
 msgctxt "wizard_button:sale.handle.shipment.exception,ask,handle:"
-msgid "Ok"
+msgid "OK"
 msgstr "Ок"
 
 #, fuzzy
diff --git a/locale/sl_SI.po b/locale/sl_SI.po
index 1fb6359702..6191ce35a7 100644
--- a/locale/sl_SI.po
+++ b/locale/sl_SI.po
@@ -1067,7 +1067,7 @@ msgid "Cancel"
 msgstr "Prekliči"
 
 msgctxt "wizard_button:sale.handle.invoice.exception,ask,handle:"
-msgid "Ok"
+msgid "OK"
 msgstr "V redu"
 
 msgctxt "wizard_button:sale.handle.shipment.exception,ask,end:"
@@ -1075,7 +1075,7 @@ msgid "Cancel"
 msgstr "Prekliči"
 
 msgctxt "wizard_button:sale.handle.shipment.exception,ask,handle:"
-msgid "Ok"
+msgid "OK"
 msgstr "V redu"
 
 msgctxt "wizard_button:sale.return_sale,start,end:"
diff --git a/sale.py b/sale.py
index aea044d017..d07781c915 100644
--- a/sale.py
+++ b/sale.py
@@ -1545,7 +1545,7 @@ class HandleShipmentException(Wizard):
     ask = StateView('sale.handle.shipment.exception.ask',
         'sale.handle_shipment_exception_ask_view_form', [
             Button('Cancel', 'end', 'tryton-cancel'),
-            Button('Ok', 'handle', 'tryton-ok', default=True),
+            Button('OK', 'handle', 'tryton-ok', default=True),
             ])
     handle = StateTransition()
 
@@ -1613,7 +1613,7 @@ class HandleInvoiceException(Wizard):
     ask = StateView('sale.handle.invoice.exception.ask',
         'sale.handle_invoice_exception_ask_view_form', [
             Button('Cancel', 'end', 'tryton-cancel'),
-            Button('Ok', 'handle', 'tryton-ok', default=True),
+            Button('OK', 'handle', 'tryton-ok', default=True),
             ])
     handle = StateTransition()