diff --git a/pkgs/by-name/wa/waylock/package.nix b/pkgs/by-name/wa/waylock/package.nix
index a4b8facf555d..68de2b609edf 100644
--- a/pkgs/by-name/wa/waylock/package.nix
+++ b/pkgs/by-name/wa/waylock/package.nix
@@ -46,6 +46,10 @@ stdenv.mkDerivation (finalAttrs: {
     "${finalAttrs.deps}"
   ];
 
+  preBuild = ''
+    substituteInPlace pam.d/waylock --replace-fail "system-auth" "login"
+  '';
+
   passthru.updateScript = ./update.nu;
 
   meta = {