diff --git a/sbin/ping/ping.c b/sbin/ping/ping.c
index f96774da6a40..1cd55fa7aa7d 100644
--- a/sbin/ping/ping.c
+++ b/sbin/ping/ping.c
@@ -930,9 +930,10 @@ in_cksum(addr, len)
 	register u_short *w = addr;
 	register int sum = 0;
 	union {
-	    u_int16_t us;
-	    u_int8_t  uc[2];
-	} answer;
+		u_short	us;
+		u_char	uc[2];
+	} last;
+	u_short answer;
 
 	/*
 	 * Our algorithm is simple, using a 32 bit accumulator (sum), we add
@@ -946,16 +947,16 @@ in_cksum(addr, len)
 
 	/* mop up an odd byte, if necessary */
 	if (nleft == 1) {
-		answer.uc[0] = *(u_char *)w;
-		answer.uc[1] = 0;
-		sum += answer.us;
+		last.uc[0] = *(u_char *)w;
+		last.uc[1] = 0;
+		sum += last.us;
 	}
 
 	/* add back carry outs from top 16 bits to low 16 bits */
 	sum = (sum >> 16) + (sum & 0xffff);	/* add hi 16 to low 16 */
 	sum += (sum >> 16);			/* add carry */
-	answer.us = ~sum;			/* truncate to 16 bits */
-	return(answer.us);
+	answer = ~sum;				/* truncate to 16 bits */
+	return(answer);
 }
 
 /*