diff --git a/pkgs/development/tools/omnisharp-roslyn/default.nix b/pkgs/development/tools/omnisharp-roslyn/default.nix
index d24c119e4212..b5e2e0f6e68c 100644
--- a/pkgs/development/tools/omnisharp-roslyn/default.nix
+++ b/pkgs/development/tools/omnisharp-roslyn/default.nix
@@ -23,7 +23,8 @@ let finalPackage = buildDotnetModule rec {
   projectFile = "src/OmniSharp.Stdio.Driver/OmniSharp.Stdio.Driver.csproj";
   nugetDeps = ./deps.nix;
 
-  useAppHost = false;
+  dotnet-sdk = sdk_6_0;
+  dotnet-runtime = sdk_6_0;
 
   dotnetInstallFlags = [ "--framework net6.0" ];
   dotnetBuildFlags = [ "--framework net6.0" "--no-self-contained" ];
@@ -48,24 +49,8 @@ let finalPackage = buildDotnetModule rec {
     done
   '';
 
-  dontDotnetFixup = true; # we'll fix it ourselves
-  preFixup = ''
-    # We create a wrapper that will run the OmniSharp dll using the `dotnet`
-    # executable from PATH. Doing it this way allows it to run using newer SDK
-    # versions than it was build with, which allows it to properly find those SDK
-    # versions - OmniSharp only finds SDKs with the same version or newer as
-    # itself. We still provide a fallback, in case no `dotnet` is provided in
-    # PATH
-    mkdir -p "$out/bin"
-
-    cat << EOF > "$out/bin/OmniSharp"
-    #!${stdenv.shell}
-    export PATH="\''${PATH}:${sdk_6_0}/bin"
-    dotnet "$out/lib/omnisharp-roslyn/OmniSharp.dll" "\$@"
-    EOF
-
-    chmod +x "$out/bin/OmniSharp"
-  '';
+  useDotnetFromEnv = true;
+  executables = [ "OmniSharp" ];
 
   passthru.tests = let
     with-sdk = sdk: runCommand "with-${if sdk ? version then sdk.version else "no"}-sdk"