diff --git a/init.lua b/init.lua
index 8c6cd8c..d97e2c4 100644
--- a/init.lua
+++ b/init.lua
@@ -147,7 +147,7 @@ if minetest.global_exists("sfinv") then
 end
 
 minetest.register_on_player_receive_fields(function(player,formname,fields)
-	if fields.clear then
+	if formname == "email:inbox" and fields.clear then
 		local name = player:get_player_name()
 		email.clear_inbox(name)
 		minetest.chat_send_player(name, "Inbox cleared!")