diff --git a/src/XTMF2.GUI/RunController.cs b/src/XTMF2.GUI/RunController.cs
index 02e64e6..eb71744 100644
--- a/src/XTMF2.GUI/RunController.cs
+++ b/src/XTMF2.GUI/RunController.cs
@@ -134,7 +134,8 @@ private static bool InitializeInSeparateProcess(XTMFRuntime runtime, out RunCont
                 {
                     FileName = "dotnet",
                     Arguments = $"\"{xtmfClientFileName}\" -namedPipe \"{id}\"",
-                    CreateNoWindow = false,
+                    UseShellExecute = false,
+                    CreateNoWindow = OperatingSystem.IsWindows(),
                     WorkingDirectory = Environment.CurrentDirectory
                 };
                 client = new()
diff --git a/src/XTMF2/Bus/RunContext.cs b/src/XTMF2/Bus/RunContext.cs
index 26b600e..e1c38b4 100644
--- a/src/XTMF2/Bus/RunContext.cs
+++ b/src/XTMF2/Bus/RunContext.cs
@@ -151,7 +151,8 @@ public static bool CreateRunContext(XTMFRuntime runtime, string id, byte[] model
                 {
                     FileName = "dotnet",
                     Arguments = $"\"{Path.Combine(path, "XTMF2.Run.dll")}\" -runID \"{ID}\" {GetExtraDlls(clientBus)}-namedPipe \"{pipeName}\"",
-                    CreateNoWindow = false,
+                    UseShellExecute = false,
+                    CreateNoWindow = OperatingSystem.IsWindows(),
                     WorkingDirectory = path
                 };
                 runProcess = new Process()