diff --git a/modules/addons/chat-popups.lua b/modules/addons/chat-popups.lua
index 1ff2b107..d27672a6 100644
--- a/modules/addons/chat-popups.lua
+++ b/modules/addons/chat-popups.lua
@@ -9,6 +9,7 @@ local config = require 'config.popup_messages' --- @dep config.popup_messages
 local send_text = Game.print_player_floating_text -- (player_index, text, color)
 
 Event.add(defines.events.on_console_chat,function(event)
+    if not event.player_index or event.player_index < 1 then return end
     local player = Game.get_player_by_index(event.player_index)
 
     -- Some basic sanity checks