diff --git a/public/games/age-of-dwarves/data/audio.json b/public/games/age-of-dwarves/data/audio.json
index a1f9b4f5..fbdbcc71 100644
--- a/public/games/age-of-dwarves/data/audio.json
+++ b/public/games/age-of-dwarves/data/audio.json
@@ -437,6 +437,18 @@
       "bus": "SFX",
       "description": "Light scholarly tap — research building completed."
     },
+    "building.complete": {
+      "stream": "audio/sfx/buildings/infrastructure_complete.ogg",
+      "volume_db": -6.0,
+      "bus": "SFX",
+      "description": "Generic stone settle — kind-only fallback for any building category."
+    },
+    "complete": {
+      "stream": "audio/sfx/buildings/infrastructure_complete.ogg",
+      "volume_db": -7.0,
+      "bus": "SFX",
+      "description": "Bare-kind fallback — last-resort for any 'complete' event."
+    },
     "attack": {
       "stream": "audio/sfx/generic/attack.ogg",
       "volume_db": -7.0,
diff --git a/src/game/engine/tests/unit/test_audio_manager.gd b/src/game/engine/tests/unit/test_audio_manager.gd
index 2b0ee6f2..90c7b08a 100644
--- a/src/game/engine/tests/unit/test_audio_manager.gd
+++ b/src/game/engine/tests/unit/test_audio_manager.gd
@@ -239,11 +239,13 @@ func test_new_event_signals_are_connected() -> void:
 
 func _assert_chain_resolves(entity_id: String, kind: String) -> void:
 	var keys: Array[String] = AudioManager._resolve_keys(entity_id, kind)
+	var found: bool = false
 	for k: String in keys:
 		if AudioManager._sfx_events.has(k):
-			return
+			found = true
+			break
 	assert_true(
-		false,
+		found,
 		"no manifest entry for chain %s.%s -> %s" % [entity_id, kind, str(keys)]
 	)