diff --git a/index.js b/index.js
index ab2d294..8393646 100644
--- a/index.js
+++ b/index.js
@@ -15,7 +15,11 @@ module.exports = (promise, ms, fallback) => new Promise((resolve, reject) => {
 
 	const timer = setTimeout(() => {
 		if (typeof fallback === 'function') {
-			resolve(fallback());
+			try {
+				resolve(fallback());
+			} catch (err) {
+				reject(err);
+			}
 			return;
 		}
 
diff --git a/test.js b/test.js
index 8aa3879..b54cac1 100644
--- a/test.js
+++ b/test.js
@@ -30,6 +30,9 @@ test('fallback argument', async t => {
 	await t.throws(m(delay(200), 50, 'rainbow'), 'rainbow');
 	await t.throws(m(delay(200), 50, new RangeError('cake')), RangeError);
 	await t.throws(m(delay(200), 50, () => Promise.reject(fixtureErr)), fixtureErr.message);
+	await t.throws(m(delay(200), 50, () => {
+		throw new RangeError('cake');
+	}), RangeError);
 });
 
 test('calls `.cancel()` on promise when it exists', async t => {