--- a/src/network/netclient.cc	2017-09-07 17:03:04.532134374 +0200
+++ b/src/network/netclient.cc	2017-09-07 17:10:54.603125955 +0200
@@ -477,6 +477,8 @@
 	// This might happen, if a users connects after the game starts.
 	if (number == d->settings.users.size()) {
 		UserSettings newuser;
+		newuser.position = number;
+		newuser.ready    = false;
 		d->settings.users.push_back(newuser);
 	}
 
--- a/src/network/nethost.cc	2017-09-07 17:11:58.924124804 +0200
+++ b/src/network/nethost.cc	2017-09-07 17:13:37.339123041 +0200
@@ -1612,6 +1612,7 @@
 	if (client.usernum == -1) {
 		client.usernum = d->settings.users.size();
 		UserSettings newuser;
+		newuser.position = client.usernum;
 		newuser.result = Widelands::PlayerEndResult::UNDEFINED;
 		newuser.ready = true;
 		d->settings.users.push_back(newuser);