diff --git a/src/System.Windows.Forms/tests/IntegrationTests/WinformsControlsTest/Program.cs b/src/System.Windows.Forms/tests/IntegrationTests/WinformsControlsTest/Program.cs
index c8c70ec5c0d..a55eb98c2ff 100644
--- a/src/System.Windows.Forms/tests/IntegrationTests/WinformsControlsTest/Program.cs
+++ b/src/System.Windows.Forms/tests/IntegrationTests/WinformsControlsTest/Program.cs
@@ -5,6 +5,9 @@
 using System.Windows.Forms;
 using WinformsControlsTest;
 
+// Set STAThread
+Thread.CurrentThread.SetApartmentState(ApartmentState.Unknown);
+Thread.CurrentThread.SetApartmentState(ApartmentState.STA);
 ApplicationConfiguration.Initialize();
 
 Application.SetUnhandledExceptionMode(UnhandledExceptionMode.ThrowException);