diff --git a/include/net_udp.h b/include/net_udp.h
index 79690f3cd..b85d69000 100644
--- a/include/net_udp.h
+++ b/include/net_udp.h
@@ -170,7 +170,9 @@ int UDP_GetAddrFromName (const char *name, struct qsockaddr *addr);
 
 	\param addr1	The first address to compare.
 	\param addr2	The second address to compare.
-	\return			-1 if the family or address are different.
+	\return			-2 if the family is different.
+	\return			-1 if the family is the same, but the address is
+					different.
 	\return			1 if the family and address are the same, but the port
 					is different.
 	\return			0 if everything is the same.
diff --git a/libs/net/nm/net_dgrm.c b/libs/net/nm/net_dgrm.c
index 732fa7c90..a4f482893 100644
--- a/libs/net/nm/net_dgrm.c
+++ b/libs/net/nm/net_dgrm.c
@@ -1273,6 +1273,8 @@ _Datagram_Connect (const char *host)
 			if (ret > 0) {
 				// is it from the right place?
 				if (sfunc.AddrCompare (&readaddr, &sendaddr) != 0) {
+					Sys_MaskPrintf (SYS_NET, "%2d ",
+									sfunc.AddrCompare (&readaddr, &sendaddr));
 					Sys_MaskPrintf (SYS_NET, "%s ",
 									sfunc.AddrToString (&readaddr));
 					Sys_MaskPrintf (SYS_NET, "%s\n",
diff --git a/libs/net/nm/net_udp.c b/libs/net/nm/net_udp.c
index 19525a963..8166b33b5 100644
--- a/libs/net/nm/net_udp.c
+++ b/libs/net/nm/net_udp.c
@@ -573,7 +573,7 @@ int
 UDP_AddrCompare (struct qsockaddr *addr1, struct qsockaddr *addr2)
 {
 	if (addr1->qsa_family != addr2->qsa_family)
-		return -1;
+		return -2;
 
 	if (((struct sockaddr_in *) addr1)->sin_addr.s_addr !=
 		((struct sockaddr_in *) addr2)->sin_addr.s_addr)