diff --git a/netutils/ntpclient/ntpv3.h b/netutils/ntpclient/ntpv3.h
index c96883f82..bedc9c710 100644
--- a/netutils/ntpclient/ntpv3.h
+++ b/netutils/ntpclient/ntpv3.h
@@ -177,7 +177,7 @@
 
 #define MKLVM(l,v,m) ((uint8_t)(l) << 6 | (uint8_t)(v) << 3 | (uint8_t)(m))
 #define GETLI(lvm)   ((uint8_t)(lvm) >> 6)
-#define GETVN(lvm)   ((uint8_t)(lvm) >> 3) & 7)
+#define GETVN(lvm)   (((uint8_t)(lvm) >> 3) & 7)
 #define GETMODE(lvm) ((uint8_t)(lvm) & 7)
 
 /****************************************************************************