diff --git a/hosts/nixos/apollo/configuration.nix b/hosts/nixos/apollo/configuration.nix
index 21a2ca3..c0edca2 100644
--- a/hosts/nixos/apollo/configuration.nix
+++ b/hosts/nixos/apollo/configuration.nix
@@ -72,7 +72,7 @@
   '';
 
   # server is in germany
-  time.timeZone = "Europe/Berlin";  # or "Europe/Amsterdam"
+  time.timeZone = "Europe/Berlin"; # or "Europe/Amsterdam"
 
   # Network configuration
   networking = {
diff --git a/modules/home-manager/programs/firefox.nix b/modules/home-manager/programs/firefox.nix
index 1c29340..76f315c 100644
--- a/modules/home-manager/programs/firefox.nix
+++ b/modules/home-manager/programs/firefox.nix
@@ -50,7 +50,7 @@
                 name = uuid;
                 value = {
                   install_url = "https://addons.mozilla.org/en-US/firefox/downloads/latest/${shortId}/latest.xpi";
-                  installation_mode = "normal_installed"; #  i dont want to get the packages from a non-open source source
+                  installation_mode = "normal_installed"; # i dont want to get the packages from a non-open source source
                 };
               };
             in
diff --git a/modules/nixos/services/actual.nix b/modules/nixos/services/actual.nix
index 956e6f9..628c2c8 100644
--- a/modules/nixos/services/actual.nix
+++ b/modules/nixos/services/actual.nix
@@ -7,7 +7,7 @@
         enable = true;
         settings = {
           port = 51514;
-          
+
           # dataDir = "/var/lib/actual"
         };
       };
diff --git a/modules/nixos/services/mailserver.nix b/modules/nixos/services/mailserver.nix
index 6114e01..c4a2457 100644
--- a/modules/nixos/services/mailserver.nix
+++ b/modules/nixos/services/mailserver.nix
@@ -84,6 +84,7 @@
             }
           ];
         };
-      })
+      }
+    )
   ];
 }
diff --git a/modules/nixos/system/impermanence.nix b/modules/nixos/system/impermanence.nix
index 337eb89..9342a42 100644
--- a/modules/nixos/system/impermanence.nix
+++ b/modules/nixos/system/impermanence.nix
@@ -45,7 +45,7 @@ in
           # information about nixos users and groups
           "/var/lib/nixos"
 
-          # systemd coredumps to debug crashes 
+          # systemd coredumps to debug crashes
           "/var/lib/systemd/coredump"
 
           # NetworkManager connection profiles and WiFi passwords
diff --git a/modules/nixos/system/nix-settings.nix b/modules/nixos/system/nix-settings.nix
index 91b6204..f210346 100644
--- a/modules/nixos/system/nix-settings.nix
+++ b/modules/nixos/system/nix-settings.nix
@@ -9,7 +9,8 @@
     # Allow unfree packages
     nixpkgs = {
       config = {
-        allowUnfreePredicate = pkg:
+        allowUnfreePredicate =
+          pkg:
           builtins.elem (lib.getName pkg) [
             "vscode"
             "discord"
@@ -36,7 +37,7 @@
             "nvidia-settings"
             # blender with cuda is not foss?!?
             "blender"
-        ];
+          ];
         allowAliases = false;
       };
     };