diff --git a/core/src/mindustry/graphics/IndexedRenderer.java b/core/src/mindustry/graphics/IndexedRenderer.java
index 15185fdfac..1a982af9c3 100644
--- a/core/src/mindustry/graphics/IndexedRenderer.java
+++ b/core/src/mindustry/graphics/IndexedRenderer.java
@@ -9,7 +9,7 @@ import arc.util.*;
 public class IndexedRenderer implements Disposable{
     private static final int vsize = 5;
 
-    private final Shader program = new Shader(
+    private final static Shader program = new Shader(
     """
     attribute vec4 a_position;
     attribute vec4 a_color;
@@ -34,9 +34,9 @@ public class IndexedRenderer implements Disposable{
     }
     """
     );
+    private static final float[] tmpVerts = new float[vsize * 6];
+
     private Mesh mesh;
-    private float[] tmpVerts = new float[vsize * 6];
-    private float[] vertices;
 
     private Mat projMatrix = new Mat();
     private Mat transMatrix = new Mat();
@@ -57,7 +57,7 @@ public class IndexedRenderer implements Disposable{
 
         program.setUniformMatrix4("u_projTrans", combined);
 
-        mesh.render(program, Gl.triangles, 0, vertices.length / vsize);
+        mesh.render(program, Gl.triangles, 0, mesh.getMaxVertices());
     }
 
     public void setColor(Color color){
@@ -203,8 +203,9 @@ public class IndexedRenderer implements Disposable{
         VertexAttribute.position,
         VertexAttribute.color,
         VertexAttribute.texCoords);
-        vertices = new float[6 * sprites * vsize];
-        mesh.setVertices(vertices);
+
+        //TODO why is this the only way to get it working properly? it should not need an array
+        mesh.setVertices(new float[6 * sprites * vsize]);
     }
 
     private void updateMatrix(){