diff --git a/system-config/services/containers/rustdesk/default.nix b/system-config/services/containers/rustdesk/default.nix
index 8af16a6..1797e41 100644
--- a/system-config/services/containers/rustdesk/default.nix
+++ b/system-config/services/containers/rustdesk/default.nix
@@ -50,7 +50,7 @@
                         enable = true;
                         extraArgs = [ 
                             "-k" 
-                            (builtins.readFile "/var/lib/key/id_ed25519.pub")
+                            "$(cat /var/lib/key/id_ed25519.pub)"
                         ];
                     };
 
@@ -59,7 +59,7 @@
                         relayHosts = [ "rustdesk.blunkall.us:21117" ];
                         extraArgs = [
                             "-k"
-                            (builtins.readFile "/var/lib/key/id_ed25519.pub")
+                            "$(cat /var/lib/key/id_ed25519.pub)"
                         ];
                     };
                 };