diff --git a/pkgs/by-name/pi/piper/package.nix b/pkgs/by-name/pi/piper/package.nix
index 8dad1176b36a..083ebff2d2a3 100644
--- a/pkgs/by-name/pi/piper/package.nix
+++ b/pkgs/by-name/pi/piper/package.nix
@@ -26,7 +26,7 @@ python3.pkgs.buildPythonApplication rec {
     owner = "libratbag";
     repo = "piper";
     rev = version;
-    sha256 = "sha256-j58fL6jJAzeagy5/1FmygUhdBm+PAlIkw22Rl/fLff4=";
+    hash = "sha256-j58fL6jJAzeagy5/1FmygUhdBm+PAlIkw22Rl/fLff4=";
   };
 
   nativeBuildInputs = [
@@ -61,12 +61,12 @@ python3.pkgs.buildPythonApplication rec {
     patchShebangs meson_install.sh data/generate-piper-gresource.xml.py
   '';
 
-  meta = with lib; {
+  meta = {
     description = "GTK frontend for ratbagd mouse config daemon";
     mainProgram = "piper";
     homepage = "https://github.com/libratbag/piper";
-    license = licenses.gpl2Only;
-    maintainers = with maintainers; [ mvnetbiz ];
-    platforms = platforms.linux;
+    license = lib.licenses.gpl2Only;
+    maintainers = with lib.maintainers; [ mvnetbiz ];
+    platforms = lib.platforms.linux;
   };
 }