diff --git a/docs/examples/basic.tsx b/docs/examples/basic.tsx
index b1bb1ea..a19bb1e 100644
--- a/docs/examples/basic.tsx
+++ b/docs/examples/basic.tsx
@@ -22,6 +22,7 @@ export default () => {
 
   return (
     <React.StrictMode>
+      <input type="text" />
       <div style={{ height: '200vh' }}>
         <div style={{ border: '2px solid red' }}>
           Real Version: {version}
diff --git a/src/useEscKeyDown.ts b/src/useEscKeyDown.ts
index 0044231..90e31c6 100644
--- a/src/useEscKeyDown.ts
+++ b/src/useEscKeyDown.ts
@@ -9,7 +9,7 @@ export default function useEscKeyDown(open: boolean, onEsc?: EscCallback) {
   const id = useId();
 
   const handleEscKeyDown = useEvent((event: KeyboardEvent) => {
-    if (event.key === 'Escape') {
+    if (event.key === 'Escape' && !event.isComposing) {
       const top = stack[stack.length - 1] === id;
       onEsc?.({ top, event });
     }
diff --git a/tests/index.test.tsx b/tests/index.test.tsx
index 40b5eba..f95eeba 100644
--- a/tests/index.test.tsx
+++ b/tests/index.test.tsx
@@ -357,6 +357,19 @@ describe('Portal', () => {
       expect(onEscB).not.toHaveBeenCalled();
     });
 
+    it('should not trigger onEsc when IME composing', () => {
+      const onEsc = jest.fn();
+
+      render(
+        <Portal open onEsc={onEsc}>
+          <input type="text" />
+        </Portal>,
+      );
+
+      fireEvent.keyDown(window, { key: 'Escape', isComposing: true });
+      expect(onEsc).not.toHaveBeenCalled();
+    });
+
     it('should clear stack when unmount', () => {
       const { unmount } = render(
         <Portal open>