diff --git a/miniupnpd/minissdp.c b/miniupnpd/minissdp.c
index 038fae0..e297dff 100644
--- a/miniupnpd/minissdp.c
+++ b/miniupnpd/minissdp.c
@@ -185,7 +185,9 @@ OpenAndConfSSDPReceiveSocket(int ipv6)
 		if(setsockopt(s, SOL_SOCKET, SO_BINDTODEVICE,
 		              lan_addrs.lh_first->ifname,
 		              strlen(lan_addrs.lh_first->ifname)) < 0)
-		    syslog(LOG_WARNING, "setsockopt(udp, SO_BINDTODEVICE): %m");
+		    syslog(LOG_WARNING, "%s: setsockopt(udp%s, SO_BINDTODEVICE, %s): %m",
+			       "OpenAndConfSSDPReceiveSocket", ipv6 ? "6" : "",
+			       lan_addrs.lh_first->ifname);
 	}
 #endif /* defined(SO_BINDTODEVICE) && !defined(MULTIPLE_EXTERNAL_IP) */
 
diff --git a/miniupnpd/miniupnpd.c b/miniupnpd/miniupnpd.c
index 546d16a..e876030 100644
--- a/miniupnpd/miniupnpd.c
+++ b/miniupnpd/miniupnpd.c
@@ -378,7 +378,8 @@ OpenAndConfHTTPSocket(unsigned short * port)
 		if(setsockopt(s, SOL_SOCKET, SO_BINDTODEVICE,
 		              lan_addrs.lh_first->ifname,
 		              strlen(lan_addrs.lh_first->ifname)) < 0)
-			syslog(LOG_WARNING, "setsockopt(udp, SO_BINDTODEVICE): %m");
+			syslog(LOG_WARNING, "setsockopt(http, SO_BINDTODEVICE, %s): %m",
+			       lan_addrs.lh_first->ifname);
 	}
 #endif /* defined(SO_BINDTODEVICE) && !defined(MULTIPLE_EXTERNAL_IP) */