diff --git a/etc/rc.d/rc.nginx b/etc/rc.d/rc.nginx
index c8e71ba76..88e1bfa34 100755
--- a/etc/rc.d/rc.nginx
+++ b/etc/rc.d/rc.nginx
@@ -412,7 +412,7 @@ build_locations(){
 	#
 	# nchan subscriber endpoint
 	#
-	location ~ /sub/(.*)$ {
+	location ~ ^/sub/(.*)$ {
 	    nchan_subscriber;
 	    nchan_subscriber_timeout 0;
 	    # nchan_authorize_request <url here>