diff --git a/mozilla/calendar/sunbird/config/mozconfig b/mozilla/calendar/sunbird/config/mozconfig
index d10a500fcde..87d0bbbcfc4 100644
--- a/mozilla/calendar/sunbird/config/mozconfig
+++ b/mozilla/calendar/sunbird/config/mozconfig
@@ -8,6 +8,7 @@ ac_add_options --enable-application=calendar
 
 ac_add_options --enable-plaintext-editor-only
 ac_add_options --enable-necko-protocols=about,http,ftp,file,jar,res
+ac_add_options --enable-storage
 ac_add_options --disable-accessibility
 ac_add_options --disable-activex
 ac_add_options --disable-activex-scripting