diff --git a/src/server-main.js b/src/server-main.js
index 4e806323689d0..27ecbaed0d6af 100644
--- a/src/server-main.js
+++ b/src/server-main.js
@@ -188,14 +188,10 @@ function sanitizeStringArg(val) {
  * @throws
  */
 async function parsePort(host, strPort) {
-	let specificPort;
 	if (strPort) {
 		let range;
 		if (strPort.match(/^\d+$/)) {
-			specificPort = parseInt(strPort, 10);
-			if (specificPort === 0) {
-				return specificPort;
-			}
+			return parseInt(strPort, 10);
 		} else if (range = parseRange(strPort)) {
 			const port = await findFreePort(host, range.start, range.end);
 			if (port !== undefined) {