diff --git a/compat/src/index.js b/compat/src/index.js
index c35b623359..198d3c57a5 100644
--- a/compat/src/index.js
+++ b/compat/src/index.js
@@ -199,6 +199,10 @@ function applyEventNormalization({ type, props }) {
 		props.ondblclick = props[newProps.ondoubleclick];
 		delete props[newProps.ondoubleclick];
 	}
+	if (newProps.onbeforeinput) {
+		props.onbeforeinput = props[newProps.onbeforeinput];
+		delete props[newProps.onbeforeinput];
+	}
 	// for *textual inputs* (incl textarea), normalize `onChange` -> `onInput`:
 	if (newProps.onchange && (type==='textarea' || (type.toLowerCase()==='input' && !/^fil|che|rad/i.test(props.type)))) {
 		let normalized = newProps.oninput || 'oninput';
diff --git a/compat/test/browser/index.test.js b/compat/test/browser/index.test.js
index 008403dca3..6131fb3bb3 100644
--- a/compat/test/browser/index.test.js
+++ b/compat/test/browser/index.test.js
@@ -171,6 +171,13 @@ describe('preact-compat', () => {
 			expectToBeNormalized(<input {...props} type="text" />, '<input type="text">');
 
 		});
+
+		it('should normalize beforeinput event listener', () => {
+			let spy = sinon.spy();
+			render(<input onBeforeInput={spy} />, scratch);
+			scratch.firstChild.dispatchEvent(new Event('beforeinput'));
+			expect(spy).to.be.calledOnce;
+		});
 	});
 
 	describe('Component', () => {