diff --git a/common/usb_storage.c b/common/usb_storage.c
index 4fa6538..e61a8c8 100644
--- a/common/usb_storage.c
+++ b/common/usb_storage.c
@@ -65,7 +65,7 @@ static const unsigned char us_direction[256/8] = {
 static ccb usb_ccb __attribute__((aligned(ARCH_DMA_MINALIGN)));
 static __u32 CBWTag;
 
-#define USB_MAX_STOR_DEV 5
+#define USB_MAX_STOR_DEV 7
 static int usb_max_devs; /* number of highest available usb device */
 
 static block_dev_desc_t usb_dev_desc[USB_MAX_STOR_DEV];
diff --git a/include/usb.h b/include/usb.h
index 2539364..0b410b6 100644
--- a/include/usb.h
+++ b/include/usb.h
@@ -227,7 +227,7 @@ int board_usb_cleanup(int index, enum usb_init_type init);
 
 #ifdef CONFIG_USB_STORAGE
 
-#define USB_MAX_STOR_DEV 5
+#define USB_MAX_STOR_DEV 7
 block_dev_desc_t *usb_stor_get_dev(int index);
 int usb_stor_scan(int mode);
 int usb_stor_info(void);