From f306fc88e271109d519a28f0e997d520d835a60e Mon Sep 17 00:00:00 2001
From: DCFApixels <99481254+DCFApixels@users.noreply.github.com>
Date: Mon, 11 Aug 2025 08:56:44 +0800
Subject: [PATCH] fix

---
 src/EcsStaticMask.cs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/EcsStaticMask.cs b/src/EcsStaticMask.cs
index 840ac11..b34bb38 100644
--- a/src/EcsStaticMask.cs
+++ b/src/EcsStaticMask.cs
@@ -457,9 +457,9 @@ namespace DCFApixels.DragonECS
                     combinedIncs = combinerBuilder._incsSet;
                     combinedExcs = combinerBuilder._excsSet;
                     combinedAnys = combinerBuilder._anysSet;
-                    combinedIncs.Union(_incsSet);
-                    combinedExcs.Union(_excsSet);
-                    combinedAnys.Union(_anysSet);
+                    combinedIncs.UnionWith(_incsSet);
+                    combinedExcs.UnionWith(_excsSet);
+                    combinedAnys.UnionWith(_anysSet);
 
                     if (_sortedCombinedChecker == false)
                     {