diff --git a/Cargo.toml b/Cargo.toml
index e18f9cf..46bf689 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,3 +20,4 @@ ecs = { git = "https://gavania.de/hodasemi/ecs.git" }
 audio = { git = "https://gavania.de/hodasemi/audio.git", optional = true }
 
 [features]
+default = ["audio"]
diff --git a/src/builder/builder.rs b/src/builder/builder.rs
index c80b624..4add342 100644
--- a/src/builder/builder.rs
+++ b/src/builder/builder.rs
@@ -26,7 +26,7 @@ impl GuiBuilder {
     pub fn new(world: &mut World, path: &AssetPath) -> Result<Arc<Self>> {
         let validator = Validator::new(
             #[cfg(feature = "audio")]
-            gui_handler,
+            world.resources.get::<GuiHandler>(),
             path,
         )
         .with_context(|| format!("validator for {}", path.full_path()))?;
@@ -39,7 +39,7 @@ impl GuiBuilder {
     pub fn from_str(world: &mut World, s: &str) -> Result<Arc<Self>> {
         let validator = Validator::from_str(
             #[cfg(feature = "audio")]
-            gui_handler,
+            world.resources.get::<GuiHandler>(),
             s,
         )?;
 
@@ -62,7 +62,7 @@ impl GuiBuilder {
         for path in pathes.into_iter() {
             let validator = Validator::new(
                 #[cfg(feature = "audio")]
-                gui_handler,
+                world.resources.get::<GuiHandler>(),
                 path,
             )?;
 
diff --git a/src/builder/snippet.rs b/src/builder/snippet.rs
index e110224..5d6cbf4 100644
--- a/src/builder/snippet.rs
+++ b/src/builder/snippet.rs
@@ -21,7 +21,7 @@ impl GuiSnippet {
     pub fn new(world: &mut World, path: &AssetPath) -> Result<Arc<Self>> {
         let validator = Validator::new(
             #[cfg(feature = "audio")]
-            world,
+            world.resources.get::<GuiHandler>(),
             path,
         )?;
 
@@ -31,7 +31,7 @@ impl GuiSnippet {
     pub fn from_str(world: &mut World, s: &str) -> Result<Arc<Self>> {
         let validator = Validator::from_str(
             #[cfg(feature = "audio")]
-            gui_handler,
+            world.resources.get::<GuiHandler>(),
             s,
         )?;