diff --git a/DuetPkg/DxeIpl/Debug.c b/DuetPkg/DxeIpl/Debug.c
index 248ffb2440..31b89fc49e 100644
--- a/DuetPkg/DxeIpl/Debug.c
+++ b/DuetPkg/DxeIpl/Debug.c
@@ -19,6 +19,7 @@ Revision History:
 **/
 
 #include "DxeIpl.h"
+#include "SerialStatusCode.h"
 
 UINT8 *mCursor;
 UINT8 mHeaderIndex = 10;