diff --git a/pkgs/tools/compression/mozlz4a/default.nix b/pkgs/tools/compression/mozlz4a/default.nix
index abd094836664..ce2aa9520d67 100644
--- a/pkgs/tools/compression/mozlz4a/default.nix
+++ b/pkgs/tools/compression/mozlz4a/default.nix
@@ -1,4 +1,5 @@
-{stdenv, fetchurl, python3, pylz4}:
+{ stdenv, fetchurl, python3 }:
+
 stdenv.mkDerivation rec {
   name = "${pname}-${version}";
   pname = "mozlz4a";
@@ -21,7 +22,7 @@ stdenv.mkDerivation rec {
     chmod a+x "$out/bin/mozlz4a"
   '';
 
-  buildInputs = [ pylz4 python3 ];
+  buildInputs = [ python3 python3.pkgs.python-lz4 ];
 
   meta = {
     inherit version;
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 3650e3bcb852..962f2ed34556 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1693,9 +1693,7 @@ in
 
   mongodb-tools = callPackage ../tools/misc/mongodb-tools { };
 
-  mozlz4a = callPackage ../tools/compression/mozlz4a {
-    pylz4 = python3Packages.lz4;
-  };
+  mozlz4a = callPackage ../tools/compression/mozlz4a { };
 
   msr-tools = callPackage ../os-specific/linux/msr-tools { };