diff --git a/crates/js-sys/src/lib.rs b/crates/js-sys/src/lib.rs
index f8aff6b1..c913a59f 100644
--- a/crates/js-sys/src/lib.rs
+++ b/crates/js-sys/src/lib.rs
@@ -684,7 +684,7 @@ extern "C" {
 #[wasm_bindgen]
 extern "C" {
     // TODO Uncomment this once TypedArray is added:
-    // #[wasm_bindgen(extends = Object, extends = TypedArray)]
+    #[wasm_bindgen(extends = Object)]
     #[derive(Clone, Debug)]
     pub type Float32Array;
 
diff --git a/crates/js-sys/tests/wasm/TypedArray.rs b/crates/js-sys/tests/wasm/TypedArray.rs
index 751ec1bf..4a99cb2e 100644
--- a/crates/js-sys/tests/wasm/TypedArray.rs
+++ b/crates/js-sys/tests/wasm/TypedArray.rs
@@ -12,6 +12,7 @@ macro_rules! each {
         $m!(Int8Array);
         $m!(Int16Array);
         $m!(Int32Array);
+        $m!(Float32Array);
     )
 }