diff --git a/driver-hashfast.c b/driver-hashfast.c
index 58321026..55b61f6d 100644
--- a/driver-hashfast.c
+++ b/driver-hashfast.c
@@ -12,6 +12,7 @@
 
 #include <stdbool.h>
 
+#include "miner.h"
 #include "usbutils.h"
 
 #include "driver-hashfast.h"