diff --git a/pkgs/development/compilers/dotnet/build-dotnet.nix b/pkgs/development/compilers/dotnet/build-dotnet.nix
index b43d30eb6c82..3d48e1d98178 100644
--- a/pkgs/development/compilers/dotnet/build-dotnet.nix
+++ b/pkgs/development/compilers/dotnet/build-dotnet.nix
@@ -194,10 +194,10 @@ mkCommon type rec {
         let
           majorVersion = lib.concatStringsSep "." (lib.take 2 (lib.splitVersion version));
         in
-        writeShellScript "update-dotnet-${majorVersion}" ''
-          pushd pkgs/development/compilers/dotnet
-          exec ${./update.sh} "${majorVersion}"
-        '';
+        [
+          ./update.sh
+          majorVersion
+        ];
     };
 
   meta = with lib; {