diff --git a/mozilla/lib/xp/xp_cntxt.c b/mozilla/lib/xp/xp_cntxt.c
index 1f841d7da6b..a761ebf6d0f 100644
--- a/mozilla/lib/xp/xp_cntxt.c
+++ b/mozilla/lib/xp/xp_cntxt.c
@@ -47,7 +47,8 @@ XP_InitializeContext(MWContext *context)
 	if (context != NULL)
 	{
 		context->context_id = ++global_context_id;
-      context->INTL_tag = INTL_TAG;
+		context->INTL_tag = INTL_TAG;
+		context->anonymous = PRVCY_IsAnonymous();
 	}
 }