diff --git a/src/BenchmarkDotNet/Toolchains/Executor.cs b/src/BenchmarkDotNet/Toolchains/Executor.cs
index 4303f118ee..44b321929f 100644
--- a/src/BenchmarkDotNet/Toolchains/Executor.cs
+++ b/src/BenchmarkDotNet/Toolchains/Executor.cs
@@ -81,7 +81,12 @@ private ExecuteResult Execute(Process process, BenchmarkCase benchmarkCase, Sync
             if (loggerWithDiagnoser.LinesWithResults.Any(line => line.Contains("BadImageFormatException")))
                 logger.WriteLineError("You are probably missing <PlatformTarget>AnyCPU</PlatformTarget> in your .csproj file.");
 
-            return new ExecuteResult(true, process.ExitCode, process.Id, loggerWithDiagnoser.LinesWithResults, loggerWithDiagnoser.LinesWithExtraOutput, launchIndex);
+            return new ExecuteResult(true,
+                process.HasExited ? process.ExitCode : null,
+                process.Id,
+                loggerWithDiagnoser.LinesWithResults,
+                loggerWithDiagnoser.LinesWithExtraOutput,
+                launchIndex);
         }
 
         private ProcessStartInfo CreateStartInfo(BenchmarkCase benchmarkCase, ArtifactsPaths artifactsPaths, string args, IResolver resolver)