diff --git a/modules/hosts/nixos/hetznix01/post-install/nginx.nix b/modules/hosts/nixos/hetznix01/post-install/nginx.nix
index 7721cf6..1b1d299 100644
--- a/modules/hosts/nixos/hetznix01/post-install/nginx.nix
+++ b/modules/hosts/nixos/hetznix01/post-install/nginx.nix
@@ -14,7 +14,7 @@ in {
       # Add HSTS header with preloading to HTTPS requests.
       # Adding this header to HTTP requests is discouraged
       map $scheme $hsts_header {
-          https   "max-age=31536000 always;";
+          https   "max-age=31536000;";
       }
       add_header Strict-Transport-Security $hsts_header;
     '';
diff --git a/modules/hosts/nixos/nixnuc/containers/nginx-proxy.nix b/modules/hosts/nixos/nixnuc/containers/nginx-proxy.nix
index d372685..0a78727 100644
--- a/modules/hosts/nixos/nixnuc/containers/nginx-proxy.nix
+++ b/modules/hosts/nixos/nixnuc/containers/nginx-proxy.nix
@@ -67,7 +67,7 @@ in {
           # Add HSTS header with preloading to HTTPS requests.
           # Adding this header to HTTP requests is discouraged
           map $scheme $hsts_header {
-              https   "max-age=31536000 always;";
+              https   "max-age=31536000;";
           }
           add_header Strict-Transport-Security $hsts_header;
         '';
diff --git a/modules/hosts/nixos/nixnuc/default.nix b/modules/hosts/nixos/nixnuc/default.nix
index a72add9..5725664 100644
--- a/modules/hosts/nixos/nixnuc/default.nix
+++ b/modules/hosts/nixos/nixnuc/default.nix
@@ -213,7 +213,7 @@ in {
         # Add HSTS header with preloading to HTTPS requests.
         # Adding this header to HTTP requests is discouraged
         map $scheme $hsts_header {
-            https   "max-age=31536000 always;";
+            https   "max-age=31536000;";
         }
         add_header Strict-Transport-Security $hsts_header;
       '';