diff --git a/index.js b/index.js
index b49867a..c758928 100644
--- a/index.js
+++ b/index.js
@@ -54,7 +54,7 @@ alfy.matches = (input, list, item) => {
 		}
 
 		if (typeof listItem === 'string') {
-			listItem = listItem.toLowerCase();
+			listItem = listItem.toLowerCase().normalize();
 		}
 
 		if (typeof item === 'function') {
diff --git a/test/test.js b/test/test.js
index a22b868..da0ca92 100644
--- a/test/test.js
+++ b/test/test.js
@@ -30,4 +30,7 @@ test('.matches()', t => {
 
 test('.inputMatches()', t => {
 	t.deepEqual(alfyInstance.inputMatches(['foo', 'unicorn']), ['unicorn']);
+	alfyInstance.input = 'Ünicörn';
+	t.deepEqual(alfyInstance.inputMatches(['foo', 'unicorn']), []);
+	t.deepEqual(alfyInstance.inputMatches(['foo', 'ünicörn']), ['ünicörn']);
 });