diff --git a/nixos/modules/issuer.nix b/nixos/modules/issuer.nix
index 28bba0a6570a4a05895f8c57645d7850629fc851..fb93ce35cce8c9cadbad5a04e888b0cca991f9c7 100644
--- a/nixos/modules/issuer.nix
+++ b/nixos/modules/issuer.nix
@@ -127,7 +127,7 @@ in {
 
       # Make sure we have a certificate the first time, if we are running over
       # TLS and require a certificate.
-      requires = lib.optional cfg.tls "${certServiceName}.service}";
+      requires = lib.optional cfg.tls "${certServiceName}.service";
 
       after = [
         # Make sure there is a network so we can bind to all of the