diff --git a/RELNOTES b/RELNOTES
index 8687f4d3..a5be624a 100644
--- a/RELNOTES
+++ b/RELNOTES
@@ -47,6 +47,10 @@ The system has only been tested on Linux, FreeBSD, and Solaris, and may not
 work on other platforms. Please report any problems and suggested fixes to
 <dhcp-users@isc.org>.
 
+                        Changes since 4.1.0b1
+
+- A missing "else" in dhcrelay.c could have caused an interface not to
+  be recognized.
 
 			Changes since 4.1.0a2
 
diff --git a/relay/dhcrelay.c b/relay/dhcrelay.c
index 45a6ceaf..93bfb4ed 100644
--- a/relay/dhcrelay.c
+++ b/relay/dhcrelay.c
@@ -1384,7 +1384,7 @@ process_up6(struct packet *packet, struct stream_list *dp) {
 
 		if (dp) {
 			if_id = dp->id;
-		} if (!downstreams->next) {
+		} else if (!downstreams->next) {
 			if_id = downstreams->id;
 		} else {
 			log_info("Don't know the interface.");