diff --git a/armsrc/sam_mfc.c b/armsrc/sam_mfc.c
index f2dee067c..090f4a781 100644
--- a/armsrc/sam_mfc.c
+++ b/armsrc/sam_mfc.c
@@ -15,6 +15,7 @@
 //-----------------------------------------------------------------------------
 // Routines to support MFC <-> SAM communication
 //-----------------------------------------------------------------------------
+#include "sam_mfc.h"
 #include "sam_seos.h"
 #include "iclass.h"