diff --git a/src/action/base/create_or_merge_nix_config.rs b/src/action/base/create_or_merge_nix_config.rs
index 1f69ddb..4a0239c 100644
--- a/src/action/base/create_or_merge_nix_config.rs
+++ b/src/action/base/create_or_merge_nix_config.rs
@@ -409,13 +409,10 @@ impl Action for CreateOrMergeNixConfig {
             new_config.push('\n');
         }
 
-        new_config.push_str(
-            &[
-                "# Generated by https://github.com/DeterminateSystems/nix-installer.",
-                "# See `/nix/nix-installer --version` for the version details.",
-            ]
-            .join("\n"),
-        );
+        new_config
+            .push_str("# Generated by https://github.com/DeterminateSystems/nix-installer.\n");
+        new_config.push_str("# See `/nix/nix-installer --version` for the version details.\n");
+        new_config.push_str("\n");
 
         for (name, value) in merged_nix_config.settings() {
             new_config.push_str(name);