2 files changed, 2 insertions, 1 deletions
diff --git a/std/http/server.ts b/std/http/server.ts
index cc0c7cca3..5908fcf9a 100644
--- a/std/http/server.ts
+++ b/std/http/server.ts
@@ -263,7 +263,7 @@ export function _parseAddrFromStr(addr: string): HTTPOptions {
   }
 
   return {
-    hostname: url.hostname,
+    hostname: url.hostname == "" ? "0.0.0.0" : url.hostname,
     port: url.port === "" ? 80 : Number(url.port),
   };
 }
diff --git a/std/http/server_test.ts b/std/http/server_test.ts
index 0bfadc632..f6bff1c5f 100644
--- a/std/http/server_test.ts
+++ b/std/http/server_test.ts
@@ -665,5 +665,6 @@ Deno.test({
   fn: (): void => {
     const addr = _parseAddrFromStr(":80");
     assertEquals(addr.port, 80);
+    assertEquals(addr.hostname, "0.0.0.0");
   },
 });