diff --git a/src/SpriteBatch.cs b/src/SpriteBatch.cs
index 6d82a0c..4cf983e 100644
--- a/src/SpriteBatch.cs
+++ b/src/SpriteBatch.cs
@@ -148,7 +148,7 @@ namespace MoonWorksComputeSpriteBatch
             {
                 VertexCount = VertexCount
             });
-            commandBuffer.DispatchCompute(VertexCount / 256, 1, 1, offset);
+            commandBuffer.DispatchCompute(System.Math.Max(1, VertexCount / 256), 1, 1, offset);
 
             commandBuffer.BeginRenderPass(renderPass, framebuffer, renderArea, Vector4.Zero);
             commandBuffer.BindGraphicsPipeline(graphicsPipeline);