diff --git a/capsule-core/src/discovery.zig b/capsule-core/src/discovery.zig
index 419d4dc..e1939a1 100644
--- a/capsule-core/src/discovery.zig
+++ b/capsule-core/src/discovery.zig
@@ -30,6 +30,7 @@ pub const DiscoveryService = struct {
 
         // 2. Allow port reuse (standard for mDNS)
         try posix.setsockopt(fd, posix.SOL.SOCKET, posix.SO.REUSEADDR, &std.mem.toBytes(@as(i32, 1)));
+        try posix.setsockopt(fd, posix.SOL.SOCKET, posix.SO.REUSEPORT, &std.mem.toBytes(@as(i32, 1)));
 
         // 3. Bind to all interfaces on mDNS port
         const bind_addr = try net.Address.parseIp("0.0.0.0", MULTICAST_PORT);