diff --git a/dub.sdl b/dub.sdl
index 31ead3a..0f1a8d4 100644
--- a/dub.sdl
+++ b/dub.sdl
@@ -4,7 +4,7 @@ authors "Sönke Ludwig"
 copyright "Copyright © 2016, rejectedsoftware e.K."
 license "MIT"
 
-dependency "eventcore" version="~>0.8.16"
+dependency "eventcore" version="~>0.8.18"
 
 targetName "vibe_core"
 
diff --git a/source/vibe/core/net.d b/source/vibe/core/net.d
index 48b7431..94ceb18 100644
--- a/source/vibe/core/net.d
+++ b/source/vibe/core/net.d
@@ -800,10 +800,10 @@ struct UDPConnection {
 		See https://www.iana.org/assignments/multicast-addresses/multicast-addresses.xml#multicast-addresses-12
 		and https://www.iana.org/assignments/ipv6-multicast-addresses/ipv6-multicast-addresses.xhtml
 	*/
-	void addMembership(ref NetworkAddress multiaddr)
+	void addMembership(ref NetworkAddress multiaddr, uint interface_address = 0)
 	{
 		scope addr = new RefAddress(multiaddr.sockAddr, multiaddr.sockAddrMaxLen);
-		enforce(eventDriver.sockets.joinMulticastGroup(m_socket, addr),
+		enforce(eventDriver.sockets.joinMulticastGroup(m_socket, addr, interface_address),
 			"Failed to add multicast membership.");
 	}