diff --git a/sys/dev/usb/controller/dwc3.h b/sys/dev/usb/controller/dwc3.h
index fd61d1129df..72420890d28 100644
--- a/sys/dev/usb/controller/dwc3.h
+++ b/sys/dev/usb/controller/dwc3.h
@@ -99,7 +99,7 @@
 #define	 DWC3_GUSB2PHYCFG0_USBTRDTIM_8BITS	9
 #define	 DWC3_GUSB2PHYCFG0_USBTRDTIM_16BITS	5
 #define	 DWC3_GUSB2PHYCFG0_ENBLSLPM		(1 << 8)
-#define	 DWC3_GUSB2PHYCFG0_PHYSEL(x)		((x >> 7) & 0x1)	/* 0 = USB2.0, 1 = USB1.1 */
+#define	 DWC3_GUSB2PHYCFG0_PHYSEL(x)		(((x) >> 7) & 0x1)	/* 0 = USB2.0, 1 = USB1.1 */
 #define	 DWC3_GUSB2PHYCFG0_SUSPENDUSB20		(1 << 6)
 #define	 DWC3_GUSB2PHYCFG0_ULPI_UTMI_SEL	(1 << 4)
 #define	 DWC3_GUSB2PHYCFG0_PHYIF		(1 << 3)
@@ -110,7 +110,7 @@
 #define	 DWC3_GUSB3PIPECTL0_DELAYP1TRANS	(1 << 18)
 #define	 DWC3_GUSB3PIPECTL0_SUSPENDUSB3		(1 << 17)
 
-#define	DWC3_HWPARAMS3_SSPHY(x)			(x & 0x3)
+#define	DWC3_HWPARAMS3_SSPHY(x)			((x) & 0x3)
 #define	 DWC3_HWPARAMS3_SSPHY_DISABLE		0
 #define	 DWC3_HWPARAMS3_SSPHY_GEN1		1
 #define	 DWC3_HWPARAMS3_SSPHY_GEN2		2