diff --git a/data/ai/lua/ai_helper.lua b/data/ai/lua/ai_helper.lua
index 7dfa7cb1f82..3045ced8f61 100644
--- a/data/ai/lua/ai_helper.lua
+++ b/data/ai/lua/ai_helper.lua
@@ -169,8 +169,7 @@ end
 
 function ai_helper.checked_action_error(action, error_code)
     if wesnoth.game_config.debug then
-        wesnoth.message('Lua AI error', action .. ' could not be executed. Error code: ' .. error_code)
-        error()
+        error(action .. ' could not be executed. Error code: ' .. error_code)
     end
 end