diff --git a/nixos/modules/services/networking/livekit.nix b/nixos/modules/services/networking/livekit.nix
index 1c93fd6fc069..ec7cc212c82a 100644
--- a/nixos/modules/services/networking/livekit.nix
+++ b/nixos/modules/services/networking/livekit.nix
@@ -85,13 +85,13 @@ in
 
           rtc = {
             port_range_start = lib.mkOption {
-              type = lib.types.int;
+              type = lib.types.port;
               default = 50000;
               description = "Start of UDP port range for WebRTC";
             };
 
             port_range_end = lib.mkOption {
-              type = lib.types.int;
+              type = lib.types.port;
               default = 51000;
               description = "End of UDP port range for WebRTC";
             };