diff --git a/crates/js-sys/src/lib.rs b/crates/js-sys/src/lib.rs
index 461a1125..f8aff6b1 100644
--- a/crates/js-sys/src/lib.rs
+++ b/crates/js-sys/src/lib.rs
@@ -1020,6 +1020,7 @@ extern "C" {
 // Int32Array
 #[wasm_bindgen]
 extern "C" {
+    #[wasm_bindgen(extends = Object)]
     #[derive(Clone, Debug)]
     pub type Int32Array;
 
diff --git a/crates/js-sys/tests/wasm/TypedArray.rs b/crates/js-sys/tests/wasm/TypedArray.rs
index d57f5364..751ec1bf 100644
--- a/crates/js-sys/tests/wasm/TypedArray.rs
+++ b/crates/js-sys/tests/wasm/TypedArray.rs
@@ -11,6 +11,7 @@ macro_rules! each {
         $m!(Uint32Array);
         $m!(Int8Array);
         $m!(Int16Array);
+        $m!(Int32Array);
     )
 }