diff --git a/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/Program.fs b/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/Program.fs
index 9aa05c3558c..c0883da14e9 100644
--- a/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/Program.fs
+++ b/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/Program.fs
@@ -4,5 +4,6 @@ open BenchmarkDotNet.Configs
 
 [<EntryPoint>]
 let main args =
-    BenchmarkSwitcher.FromAssembly(typeof<DecentlySizedStandAloneFileBenchmark>.Assembly).Run(args) |> ignore
+    let cfg = ManualConfig.Create(DefaultConfig.Instance).WithOptions(ConfigOptions.DisableOptimizationsValidator)
+    BenchmarkSwitcher.FromAssembly(typeof<DecentlySizedStandAloneFileBenchmark>.Assembly).Run(args,cfg) |> ignore
     0