diff --git a/ProjectSettings/ProjectSettings.asset b/ProjectSettings/ProjectSettings.asset
index ec2cc6025..82821c128 100644
--- a/ProjectSettings/ProjectSettings.asset
+++ b/ProjectSettings/ProjectSettings.asset
@@ -588,7 +588,7 @@ PlayerSettings:
   webGLThreadsSupport: 0
   webGLWasmStreaming: 0
   scriptingDefineSymbols:
-    1: VRM_DEVELOP;UNITY_POST_PROCESSING_STACK_V2
+    1: VRM_DEVELOP;UNITY_POST_PROCESSING_STACK_V2;ENABLE_UNITY_COLLECTIONS_CHECKS
     7: UNITY_POST_PROCESSING_STACK_V2
     13: UNITY_POST_PROCESSING_STACK_V2
     14: UNITY_POST_PROCESSING_STACK_V2