diff --git a/Runtime/Triangulator.cs b/Runtime/Triangulator.cs
index 54da14a..eabf4f1 100644
--- a/Runtime/Triangulator.cs
+++ b/Runtime/Triangulator.cs
@@ -3531,7 +3531,7 @@ private void AdaptQueues(NativeList<int> heQueue, NativeList<int> tQueue)
                         for (int i = 0; i < heQueue.Length; i++)
                         {
                             var he = heQueue[i];
-                            if (he == 3 * tId + 0 || he == 3 * tId + 1 || he == 3 * tId + 2)
+                            if (he / 3 == tId)
                             {
                                 heQueue[i] = -1;
                                 continue;