diff --git a/services/radicale.nix b/services/radicale.nix
index 7b52da27..f3763efb 100644
--- a/services/radicale.nix
+++ b/services/radicale.nix
@@ -1,5 +1,5 @@
 {...}: let
-  port = 5232;
+  port = "5232";
 in {
   services.radicale = {
     enable = true;