diff --git a/pkgs/by-name/et/etlegacy-unwrapped/package.nix b/pkgs/by-name/et/etlegacy-unwrapped/package.nix
index 8bacd93e1a2b..84526ae11ada 100644
--- a/pkgs/by-name/et/etlegacy-unwrapped/package.nix
+++ b/pkgs/by-name/et/etlegacy-unwrapped/package.nix
@@ -92,11 +92,6 @@ stdenv.mkDerivation {
     "-DINSTALL_DEFAULT_BINDIR=${placeholder "out"}/bin"
   ];
 
-  postInstall = ''
-    makeWrapper $out/bin/etl.* $out/bin/etl
-    makeWrapper $out/bin/etlded.* $out/bin/etlded
-  '';
-
   hardeningDisable = [ "fortify" ];
 
   meta = {
diff --git a/pkgs/by-name/et/etlegacy/package.nix b/pkgs/by-name/et/etlegacy/package.nix
index e98b63c7a352..446659c0148f 100644
--- a/pkgs/by-name/et/etlegacy/package.nix
+++ b/pkgs/by-name/et/etlegacy/package.nix
@@ -18,10 +18,12 @@ symlinkJoin {
   ];
 
   postBuild = ''
-    makeWrapper $out/bin/etl.* $out/bin/etl \
+    wrapProgram $out/bin/etl.* \
       --add-flags "+set fs_basepath ${placeholder "out"}/lib/etlegacy"
-    makeWrapper $out/bin/etlded.* $out/bin/etlded \
+    wrapProgram $out/bin/etlded.* \
       --add-flags "+set fs_basepath ${placeholder "out"}/lib/etlegacy"
+    makeWrapper $out/bin/etl.* $out/bin/etl
+    makeWrapper $out/bin/etlded.* $out/bin/etlded
   '';
 
   meta = {