diff --git a/pkgs/development/tools/omnisharp-roslyn/default.nix b/pkgs/development/tools/omnisharp-roslyn/default.nix
index 88e7fa690db6..0d42c494ce10 100644
--- a/pkgs/development/tools/omnisharp-roslyn/default.nix
+++ b/pkgs/development/tools/omnisharp-roslyn/default.nix
@@ -29,8 +29,9 @@ let finalPackage = buildDotnetModule rec {
     patchelf
   ];
 
+  dotnetRestoreFlags = [ "--runtime ${dotnetCorePackages.systemToDotnetRid stdenv.targetPlatform.system}" ];
   dotnetInstallFlags = [ "--framework net6.0" ];
-  dotnetBuildFlags = [ "--framework net6.0" ];
+  dotnetBuildFlags = [ "--framework net6.0" "--no-self-contained" ];
   dotnetFlags = [
     # These flags are set by the cake build.
     "-property:PackageVersion=${version}"