diff --git a/src/game/engine/src/modules/ai/simple_heuristic_ai.gd b/src/game/engine/src/modules/ai/simple_heuristic_ai.gd
index 559984e0..c9839a66 100644
--- a/src/game/engine/src/modules/ai/simple_heuristic_ai.gd
+++ b/src/game/engine/src/modules/ai/simple_heuristic_ai.gd
@@ -512,20 +512,6 @@ static func _decide_production(
 		if not rush_unit.is_empty():
 			return _prod_unit(city_index, rush_unit)
 
-	# Capital walls interject: non-threatened 1-city capital, >20 turns old,
-	# with at least 2 defenders gets walls slotted in before early_mil_floor
-	# and founders. Walls were previously starved by mil-floor then founder
-	# priorities, deferring walls indefinitely even when gold was plentiful.
-	var capital_age: int = GameState.turn_number - int(city.turn_founded)
-	var capital_needs_walls: bool = (
-		not threatened and city_count == 1 and city_index == 0
-		and military_count >= 2 and capital_age > 20
-		and not city.has_building("walls")
-		and city.can_build("walls", player)
-	)
-	if capital_needs_walls:
-		return _prod_building(city_index, "walls")
-
 	# Priority 0: Early military floor — maintain 4 warriors during the
 	# first 80 turns before committing to walls/happiness/founder. Early
 	# combat attrition (p0 harasses) was dropping mil to 1-2 by T75; this
@@ -533,6 +519,20 @@ static func _decide_production(
 	# T100. After T80 the standard Priority 4 target takes over.
 	var early_mil_floor: int = 4 if GameState.turn_number <= 80 else 0
 	if military_count < maxi(1, early_mil_floor):
+		# Capital walls interject: non-threatened 1-city capital with ≥1
+		# defender and age >20 takes walls instead of stacking a 4th warrior.
+		# Without this, walls are never built before T80 because the mil
+		# floor keeps firing. `not threatened` gates it so we don't slot
+		# walls while an enemy is actually closing.
+		var capital_age: int = GameState.turn_number - int(city.turn_founded)
+		var capital_needs_walls: bool = (
+			not threatened and city_count == 1 and city_index == 0
+			and military_count >= 1 and capital_age > 20
+			and not city.has_building("walls")
+			and city.can_build("walls", player)
+		)
+		if capital_needs_walls:
+			return _prod_building(city_index, "walls")
 		var emergency_unit: String = _pick_buildable_military_unit_id(
 			city, player
 		)