diff --git a/runelite-mixins/src/main/java/net/runelite/mixins/RSModelMixin.java b/runelite-mixins/src/main/java/net/runelite/mixins/RSModelMixin.java
index a8d7d9b625..470f453b03 100644
--- a/runelite-mixins/src/main/java/net/runelite/mixins/RSModelMixin.java
+++ b/runelite-mixins/src/main/java/net/runelite/mixins/RSModelMixin.java
@@ -116,7 +116,7 @@ public abstract class RSModelMixin implements RSModel
 		int[] verticesY = getVerticesY();
 		int[] verticesZ = getVerticesZ();
 
-		List<Vertex> vertices = new ArrayList<Vertex>();
+		List<Vertex> vertices = new ArrayList<Vertex>(getVerticesCount());
 
 		for (int i = 0; i < getVerticesCount(); ++i)
 		{