diff --git a/src/translations/en.json b/src/translations/en.json
index 9f8df9a17e..09372d2b2d 100644
--- a/src/translations/en.json
+++ b/src/translations/en.json
@@ -2623,7 +2623,7 @@
                 "thu": "Th",
                 "fri": "Fr",
                 "sat": "Sa",
-                "sun": "So"
+                "sun": "Su"
               }
             }
           },