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-rw-r--r--sys/dev/usb/if_ural.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/dev/usb/if_ural.c b/sys/dev/usb/if_ural.c
index e5e9922ba1f0..9dc052b997e6 100644
--- a/sys/dev/usb/if_ural.c
+++ b/sys/dev/usb/if_ural.c
@@ -76,7 +76,7 @@ SYSCTL_INT(_hw_usb_ural, OID_AUTO, debug, CTLFLAG_RW, &uraldebug, 0,
#define URAL_RSSI(rssi) \
((rssi) > (RAL_NOISE_FLOOR + RAL_RSSI_CORR) ? \
- ((rssi) - RAL_NOISE_FLOOR + RAL_RSSI_CORR) : 0)
+ ((rssi) - (RAL_NOISE_FLOOR + RAL_RSSI_CORR)) : 0)
/* various supported device vendors/products */
static const struct usb_devno ural_devs[] = {