diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c
index 0f4b885..e6ce4cf 100644
--- a/sysdeps/posix/getaddrinfo.c
+++ b/sysdeps/posix/getaddrinfo.c
@@ -1666,13 +1666,13 @@ rfc3484_sort (const void *p1, const void *p2, void *arg)
 
 	      /* Fill in the results in all the records.  */
 	      for (int i = 0; i < src->nresults; ++i)
-		if (src->results[i].index == a1_index)
+		if (a1_index != -1 && src->results[i].index == a1_index)
 		  {
 		    assert (src->results[i].native == -1
 			    || src->results[i].native == a1_native);
 		    src->results[i].native = a1_native;
 		  }
-		else if (src->results[i].index == a2_index)
+		else if (a2_index != -1 && src->results[i].index == a2_index)
 		  {
 		    assert (src->results[i].native == -1
 			    || src->results[i].native == a2_native);
@@ -2532,7 +2532,14 @@ getaddrinfo (const char *name, const char *service,
 			  tmp.addr[0] = 0;
 			  tmp.addr[1] = 0;
 			  tmp.addr[2] = htonl (0xffff);
-			  tmp.addr[3] = sinp->sin_addr.s_addr;
+			  /* Special case for lo interface, the source address
+			     being possibly different than the interface
+			     address. */
+			  if ((ntohl(sinp->sin_addr.s_addr) & 0xff000000)
+			      == 0x7f000000)
+			    tmp.addr[3] = htonl(0x7f000001);
+			  else
+			    tmp.addr[3] = sinp->sin_addr.s_addr;
 			}
 		      else
 			{
-- 
1.8.4.1