diff --git a/pkgs/by-name/pi/pianobooster/package.nix b/pkgs/by-name/pi/pianobooster/package.nix
index 69336826e737..955ad3953a16 100644
--- a/pkgs/by-name/pi/pianobooster/package.nix
+++ b/pkgs/by-name/pi/pianobooster/package.nix
@@ -52,6 +52,7 @@ stdenv.mkDerivation (finalAttrs: {
   ];
 
   cmakeFlags = [
+    "-DCMAKE_POLICY_VERSION_MINIMUM=3.5"
     "-DOpenGL_GL_PREFERENCE=GLVND"
     "-DUSE_JACK=ON"
   ];