diff --git a/hw/sd.c b/hw/sd.c
index 4bcf1c01a6..601545b2d9 100644
--- a/hw/sd.c
+++ b/hw/sd.c
@@ -31,6 +31,7 @@
 
 #include "hw.h"
 #include "block.h"
+#include "block_int.h"
 #include "sd.h"
 
 //#define DEBUG_SD 1