diff --git a/src/main/java/org/ice4j/ice/sdp/IceSdpUtils.java b/src/main/java/org/ice4j/ice/sdp/IceSdpUtils.java
index a472b32d..7efe91e3 100644
--- a/src/main/java/org/ice4j/ice/sdp/IceSdpUtils.java
+++ b/src/main/java/org/ice4j/ice/sdp/IceSdpUtils.java
@@ -177,7 +177,7 @@ public static void initMediaDescription(MediaDescription mediaDescription,
                                 : Connection.IP4;
 
             mediaDescription.setConnection(sdpFactory.createConnection(
-                "IN", defaultAddress.getHostAddress(), addressFamily));
+                "IN", addressFamily, defaultAddress.getHostAddress()));
 
             //now check if the RTCP port for the default candidate is different
             //than RTP.port +1, in which case we need to mention it.