diff --git a/nixos/modules/virtualisation/azure-image.nix b/nixos/modules/virtualisation/azure-image.nix
index 6309bf6034999..0a25e5b89c43c 100644
--- a/nixos/modules/virtualisation/azure-image.nix
+++ b/nixos/modules/virtualisation/azure-image.nix
@@ -9,7 +9,18 @@ with lib;
 let
   cfg = config.virtualisation.azureImage;
   # https://wiki.archlinux.org/index.php/fstab#Filepath_spaces
-  escape = string: builtins.replaceStrings [ " " "\t" ] [ "\\040" "\\011" ] string;
+  escape =
+    string:
+    builtins.replaceStrings
+      [
+        " "
+        "\t"
+      ]
+      [
+        "\\040"
+        "\\011"
+      ]
+      string;
 in
 {
   imports = [