diff --git a/index.js b/index.js
index 4add910..f4737f6 100644
--- a/index.js
+++ b/index.js
@@ -124,7 +124,7 @@ module.exports = (text, options) => {
 			const createdLines = wrapAnsi(line, max, {hard: true});
 			const alignedLines = ansiAlign(createdLines, {align: options.align});
 			const alignedLinesArray = alignedLines.split('\n');
-			const longestLength = Math.max(...alignedLinesArray.map(s => s.length));
+			const longestLength = Math.max(...alignedLinesArray.map(s => stringWidth(s)));
 
 			for (const alignedLine of alignedLinesArray) {
 				let paddedLine;
diff --git a/test.js b/test.js
index 02b98c2..1967983 100644
--- a/test.js
+++ b/test.js
@@ -315,6 +315,34 @@ test('align option `left`', t => {
 	`);
 });
 
+test('align option (left) does not throw when colorized content > columns', t => {
+	console.log('process.stdout.columns', process.stdout.columns);
+	const longContent = chalk.green('ab').repeat(process.stdout.columns);
+	t.notThrows(() => {
+		boxen(longContent, {
+			align: 'left'
+		});
+	});
+});
+
+test('align option (center) does not throw when colorized content > columns', t => {
+	const longContent = chalk.green('ab').repeat(process.stdout.columns);
+	t.notThrows(() => {
+		boxen(longContent, {
+			align: 'center'
+		});
+	});
+});
+
+test('align option (right) does not throw when colorized content > columns', t => {
+	const longContent = chalk.green('ab').repeat(process.stdout.columns);
+	t.notThrows(() => {
+		boxen(longContent, {
+			align: 'right'
+		});
+	});
+});
+
 test('dimBorder option', t => {
 	const dimTopBorder = chalk.dim('┌───┐');
 	const dimSide = chalk.dim('│');