diff --git a/reactos/lib/adns/src/transmit.c b/reactos/lib/adns/src/transmit.c
index 3e9dc27bd82..62df41f0771 100644
--- a/reactos/lib/adns/src/transmit.c
+++ b/reactos/lib/adns/src/transmit.c
@@ -99,7 +99,7 @@ adns_status adns__mkquery(adns_state ads, vbuf *vb, int *id_r,
 	if (!(flags & adns_qf_quoteok_query)) return adns_s_querydomaininvalid;
 	if (ctype_digit(p[0])) {
 	  if (ctype_digit(p[1]) && ctype_digit(p[2])) {
-	    c= (p[0] - '0')*100 + (p[1] - '0')*10 + (p[0] - '0');
+	    c= (p[0] - '0')*100 + (p[1] - '0')*10 + (p[2] - '0');
 	    p += 3;
 	    if (c >= 256) return adns_s_querydomaininvalid;
 	  } else {