diff --git a/src/script/graphics.rs b/src/script/graphics.rs
index af708126..b3058396 100644
--- a/src/script/graphics.rs
+++ b/src/script/graphics.rs
@@ -2,14 +2,17 @@ use oden_js::{module, ContextRef, Value, ValueResult};
 use std::sync::mpsc::Sender;
 use std::sync::Arc;
 
+#[derive(Debug)]
 pub struct PrintCommand {
     pub text: String,
 }
 
+#[derive(Debug)]
 pub struct ClearCommand {
     pub color: [f64; 4],
 }
 
+#[derive(Debug)]
 pub struct SpriteCommand {
     pub x: f32,
     pub y: f32,
@@ -21,6 +24,7 @@ pub struct SpriteCommand {
     pub sh: f32,
 }
 
+#[derive(Debug)]
 pub enum GraphicsCommand {
     Clear(ClearCommand),
     Print(PrintCommand),