diff --git a/services/bitwarden_rs.nix b/services/bitwarden_rs.nix
index b31b7a2..27bd4be 100644
--- a/services/bitwarden_rs.nix
+++ b/services/bitwarden_rs.nix
@@ -12,14 +12,14 @@ in {
     enable = mkEnableOption "Bitwarden";
 
     privatePort = mkOption {
-      type = types.int;
+      type = types.port;
       default = 8081;
       example = 8081;
       description = "Port used internally for rocket server";
     };
 
     websocketPort = mkOption {
-      type = types.int;
+      type = types.port;
       default = 3012;
       example = 3012;
       description = "Port used for websocket connections";
diff --git a/services/gitea.nix b/services/gitea.nix
index b481a5c..196a8ee 100644
--- a/services/gitea.nix
+++ b/services/gitea.nix
@@ -12,7 +12,7 @@ in {
     enable = mkEnableOption "Personal Git hosting with Gitea";
 
     privatePort = mkOption {
-      type = types.int;
+      type = types.port;
       default = 8082;
       example = 8082;
       description = "Port to serve the app";
diff --git a/services/miniflux.nix b/services/miniflux.nix
index bcf3f47..027c217 100644
--- a/services/miniflux.nix
+++ b/services/miniflux.nix
@@ -19,7 +19,7 @@ in {
     };
 
     privatePort = mkOption {
-      type = types.int;
+      type = types.port;
       default = 8080;
       example = 8080;
       description = "Port to serve the app";