diff --git a/lib/dns/rdata.c b/lib/dns/rdata.c
index bfcba0ebc4..e0d7ce71a6 100644
--- a/lib/dns/rdata.c
+++ b/lib/dns/rdata.c
@@ -15,7 +15,7 @@
  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: rdata.c,v 1.170 2002/03/27 03:31:49 marka Exp $ */
+/* $Id: rdata.c,v 1.171 2002/03/27 23:31:32 marka Exp $ */
 
 #include <config.h>
 #include <ctype.h>
@@ -1072,12 +1072,12 @@ dns_rdataclass_fromtext(dns_rdataclass_t *classp, isc_textregion_t *source) {
 		    strncasecmp("class", source->base, 5) == 0) {
 			char buf[sizeof("65000")];
 			char *endp;
-			int val;
+			unsigned int val;
 
 			strncpy(buf, source->base + 5, source->length - 5);
 			buf[source->length - 5] = '\0';
 			val = strtoul(buf, &endp, 10);
-			if (*endp == '\0' && val >= 0 && val <= 0xffff) {
+			if (*endp == '\0' && val <= 0xffff) {
 				*classp = (dns_rdataclass_t)val;
 				return (ISC_R_SUCCESS);
 			}
@@ -1177,12 +1177,12 @@ dns_rdatatype_fromtext(dns_rdatatype_t *typep, isc_textregion_t *source) {
 	    strncasecmp("type", source->base, 4) == 0) {
 		char buf[sizeof("65000")];
 		char *endp;
-		int val;
+		unsigned int val;
 
 		strncpy(buf, source->base + 4, source->length - 4);
 		buf[source->length - 4] = '\0';
 		val = strtoul(buf, &endp, 10);
-		if (*endp == '\0' && val >= 0 && val <= 0xffff) {
+		if (*endp == '\0' && val <= 0xffff) {
 			*typep = (dns_rdatatype_t)val;
 			return (ISC_R_SUCCESS);
 		}