1 files changed, 2 insertions, 0 deletions
diff --git a/block.c b/block.c
index 6a1701a5ba..29f316e00c 100644
--- a/block.c
+++ b/block.c
@@ -45,6 +45,8 @@
 #define NO_THUNK_TYPE_SIZE
 #include "thunk.h"
 
+#include "cow.h"
+
 struct BlockDriverState {
     int fd; /* if -1, only COW mappings */
     int64_t total_sectors;