Fix syntax error

JosNun · Jul 1, 2020 · ed65756 · ed65756
1 parent 2373c1b
commit ed65756
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/index.js b/index.js
@@ -54,7 +54,7 @@ const mergeHeaders = (source1, source2) => {
 	const source = new globals.Headers(source2 || {});
 
 	for (const [key, value] of source) {
-		if ((isHeadersInstance && (value === undefined || value === 'undefined')) {
+		if (isHeadersInstance && (value === undefined || value === 'undefined')) {
 			result.delete(key);
 		} else {
 			result.set(key, value);