diff --git a/src/main/kotlin/mods/octarinecore/client/render/ModelRenderer.kt b/src/main/kotlin/mods/octarinecore/client/render/ModelRenderer.kt
index 8848a2b..b75ff13 100644
--- a/src/main/kotlin/mods/octarinecore/client/render/ModelRenderer.kt
+++ b/src/main/kotlin/mods/octarinecore/client/render/ModelRenderer.kt
@@ -1,6 +1,5 @@
 package mods.octarinecore.client.render
 
-import mods.octarinecore.client.resource.resourceManager
 import mods.octarinecore.common.*
 import net.minecraft.client.Minecraft
 import net.minecraft.client.renderer.WorldRenderer
@@ -8,6 +7,7 @@ import net.minecraft.client.renderer.texture.TextureAtlasSprite
 import net.minecraft.client.renderer.vertex.DefaultVertexFormats
 import net.minecraft.util.EnumFacing
 import net.minecraft.util.EnumFacing.*
+import java.lang.Math.max
 
 class ModelRenderer() : ShadingContext() {
 
@@ -41,10 +41,7 @@ class ModelRenderer() : ShadingContext() {
         aoEnabled = Minecraft.isAmbientOcclusionEnabled()
 
         // make sure we have space in the buffer for our quads plus one
-        worldRenderer.apply {
-            rawIntBuffer.position(bufferSize)
-            growBuffer((model.quads.size * 4 + 1) * vertexFormat.func_181719_f())
-        }
+        worldRenderer.ensureSpaceForQuads(model.quads.size + 1)
 
         model.quads.forEachIndexed { quadIdx, quad ->
             val drawIcon = icon(this, quadIdx, quad)
@@ -154,6 +151,11 @@ class RenderVertex() {
 
 }
 
+fun WorldRenderer.ensureSpaceForQuads(num: Int) {
+    rawIntBuffer.position(bufferSize)
+    growBuffer(num * vertexFormat.nextOffset)
+}
+
 val allFaces: (EnumFacing) -> Boolean = { true }
 val topOnly: (EnumFacing) -> Boolean = { it == UP }