diff --git a/FreeRTOS-Plus/Test/CBMC/windows2/winbase.h b/FreeRTOS-Plus/Test/CBMC/windows2/winbase.h
new file mode 100644
index 0000000000..c89d1caa5e
--- /dev/null
+++ b/FreeRTOS-Plus/Test/CBMC/windows2/winbase.h
@@ -0,0 +1 @@
+/* Empty file for CBMC. */