diff --git a/pkgs/build-support/kernel/initrd-compressor-meta.nix b/pkgs/build-support/kernel/initrd-compressor-meta.nix
index 728b9291627f..c09f62a75b7d 100644
--- a/pkgs/build-support/kernel/initrd-compressor-meta.nix
+++ b/pkgs/build-support/kernel/initrd-compressor-meta.nix
@@ -29,7 +29,7 @@ rec {
     extension = ".lzma";
   };
   lz4 = {
-    executable = pkgs: "${pkgs.lz4}/bin/lz4";
+    executable = pkgs: pkgs.lib.getExe pkgs.lz4;
     defaultArgs = [ "-l" ];
     extension = ".lz4";
   };