diff --git a/include/fpga.h b/include/fpga.h
index e0d12981b2..d768fb1417 100644
--- a/include/fpga.h
+++ b/include/fpga.h
@@ -46,6 +46,7 @@ typedef struct {                /* typedef fpga_desc */
 typedef enum {
 	BIT_FULL = 0,
 	BIT_PARTIAL,
+	BIT_NONE = 0xFF,
 } bitstream_type;
 
 /* root function definitions */