diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h
index ab461948b579..34316ba05f29 100644
--- a/include/linux/usb/ch9.h
+++ b/include/linux/usb/ch9.h
@@ -584,7 +584,7 @@ struct usb_ss_ep_comp_descriptor {
 
 #define USB_DT_SS_EP_COMP_SIZE		6
 /* Bits 4:0 of bmAttributes if this is a bulk endpoint */
-#define USB_SS_MAX_STREAMS(p)		(1 << (p & 0x1f))
+#define USB_SS_MAX_STREAMS(p)		(1 << ((p) & 0x1f))
 
 /*-------------------------------------------------------------------------*/