diff --git a/data/core/macros/ai_candidate_actions.cfg b/data/core/macros/ai_candidate_actions.cfg
index a1307ad9760..f2410032879 100644
--- a/data/core/macros/ai_candidate_actions.cfg
+++ b/data/core/macros/ai_candidate_actions.cfg
@@ -103,7 +103,7 @@
         engine=lua
         name=ai_default_rca::high_xp_attack
         location="ai/lua/ca_high_xp_attack.lua"
-        max_score=AI_CA_HIGH_XP_ATTACK_MAX_SCORE
+        max_score={AI_CA_HIGH_XP_ATTACK_MAX_SCORE}
     [/candidate_action]
 #enddef