diff --git a/netwerk/sctp/datachannel/DataChannel.cpp b/netwerk/sctp/datachannel/DataChannel.cpp
index a66e02455e6..dc039a17827 100644
--- a/netwerk/sctp/datachannel/DataChannel.cpp
+++ b/netwerk/sctp/datachannel/DataChannel.cpp
@@ -393,7 +393,7 @@ public:
 
     memset(&addr, 0, sizeof(addr));
     addr.sconn_family = AF_CONN;
-#if !defined(__Userspace_os_Linux) && !defined(__Userspace_os_Windows)
+#if defined(__Userspace_os_Darwin)
     addr.sconn_len = sizeof(addr);
 #endif
     addr.sconn_port = htons(mConnection->mLocalPort);