diff --git a/calendar/locales/en-US/updater/updater.ini b/calendar/locales/en-US/updater/updater.ini
index 04733ebf3c..dfa0257306 100644
--- a/calendar/locales/en-US/updater/updater.ini
+++ b/calendar/locales/en-US/updater/updater.ini
@@ -1,4 +1,4 @@
 ; This file is in the UTF-8 encoding
 [Strings]
-Title=Software Update
+TitleText=%MOZ_APP_DISPLAYNAME% Update
 InfoText=%MOZ_APP_DISPLAYNAME% is installing your updates and will start in a few moments…
diff --git a/calendar/sunbird/locales/Makefile.in b/calendar/sunbird/locales/Makefile.in
index e33cac2aac..2d4fd5294f 100644
--- a/calendar/sunbird/locales/Makefile.in
+++ b/calendar/sunbird/locales/Makefile.in
@@ -75,10 +75,12 @@ ifdef MOZ_UPDATER
 libs:: $(addprefix $(LOCALE_SRCDIR)/,updater/updater.ini)
 ifeq ($(OS_ARCH),WINNT)
 	cat $< $(srcdir)/updater_append.ini $(srcdir)/../../installer/windows/nsis/updater_append.ini | \
+	  sed -e "s/^InfoText=/Info=/" -e "s/^TitleText=/Title=/" | \
 	  sed -e "s/%MOZ_APP_DISPLAYNAME%/$(MOZ_APP_DISPLAYNAME)/" | \
 	  sed -e "s/%AB_CD%/$(AB_CD)/" > $(FINAL_TARGET)/updater.ini
 else
 	cat $< $(srcdir)/updater_append.ini | \
+	  sed -e "s/^InfoText=/Info=/" -e "s/^TitleText=/Title=/" | \
 	  sed -e "s/%MOZ_APP_DISPLAYNAME%/$(MOZ_APP_DISPLAYNAME)/" | \
 	  sed -e "s/%AB_CD%/$(AB_CD)/" > $(FINAL_TARGET)/updater.ini
 endif