diff --git a/appview/pages/pages.go b/appview/pages/pages.go
index 202ab66b..f3660f87 100644
--- a/appview/pages/pages.go
+++ b/appview/pages/pages.go
@@ -64,9 +64,7 @@ func funcMap() template.FuncMap {
 			return pairs, nil
 		},
 		"append": func(s []string, values ...string) []string {
-			for _, v := range values {
-				s = append(s, v)
-			}
+			s = append(s, values...)
 			return s
 		},
 		"timeFmt": humanize.Time,
diff --git a/flake.nix b/flake.nix
index 58c1c6fa..85c90e56 100644
--- a/flake.nix
+++ b/flake.nix
@@ -57,7 +57,7 @@
             pname = "appview";
             version = "0.1.0";
             src = gitignoreSource ./.;
-            postConfigureHook = ''
+            preBuild = ''
               cp -f ${htmx-src} appview/pages/static/htmx.min.js
               cp -f ${lucide-src} appview/pages/static/lucide.min.js
               ${pkgs.tailwindcss}/bin/tailwindcss -i input.css -o appview/pages/static/tw.css