diff --git a/src/core/proto/date.js b/src/core/proto/date.js
index 755e488f09..8ccbe1e4d0 100644
--- a/src/core/proto/date.js
+++ b/src/core/proto/date.js
@@ -9,14 +9,14 @@ Date._DN = [BI.i18nText("BI-Basic_Sunday"),
     BI.i18nText("BI-Basic_Sunday")];
 
 // short day names
-Date._SDN = [BI.i18nText("BI-Day_Ri"),
+Date._SDN = [BI.i18nText("BI-Date_Day"),
     BI.i18nText("BI-Basic_One"),
     BI.i18nText("BI-Basic_Two"),
     BI.i18nText("BI-Basic_Three"),
     BI.i18nText("BI-Basic_Four"),
     BI.i18nText("BI-Basic_Five"),
     BI.i18nText("BI-Basic_Six"),
-    BI.i18nText("BI-Day_Ri")];
+    BI.i18nText("BI-Date_Day")];
 
 // Monday first, etc.
 Date._FD = 1;