diff --git a/src/network/network_base.h b/src/network/network_base.h
index 5e9f63f9f0..471a307b50 100644
--- a/src/network/network_base.h
+++ b/src/network/network_base.h
@@ -28,6 +28,7 @@ struct NetworkClientInfo : NetworkClientInfoPool::PoolItem<&_networkclientinfo_p
 	Date join_date;          ///< Gamedate the client has joined
 	DateFract join_date_fract;
 	uint8 join_tick_skip_counter;
+	uint32 join_frame;
 
 	/**
 	 * Create a new client.
diff --git a/src/network/network_server.cpp b/src/network/network_server.cpp
index 443c38e3be..c1188373ba 100644
--- a/src/network/network_server.cpp
+++ b/src/network/network_server.cpp
@@ -1021,6 +1021,7 @@ NetworkRecvStatus ServerNetworkGameSocketHandler::Receive_CLIENT_JOIN(Packet *p)
 	ci->join_date = _date;
 	ci->join_date_fract = _date_fract;
 	ci->join_tick_skip_counter = _tick_skip_counter;
+	ci->join_frame = _frame_counter;
 	ci->client_name = client_name;
 	ci->client_playas = playas;
 	DEBUG(desync, 1, "client: date{%08x; %02x; %02x}; client: %02x; company: %02x", _date, _date_fract, _tick_skip_counter, (int)ci->index, (int)ci->client_playas);
@@ -2467,8 +2468,8 @@ char *NetworkServerDumpClients(char *buffer, const char *last)
 		if (ci->join_date != 0) {
 			YearMonthDay ymd;
 			ConvertDateToYMD(ci->join_date, &ymd);
-			buffer += seprintf(buffer, last, ", joined: %4i-%02i-%02i, %2i, %3i",
-					ymd.year, ymd.month + 1, ymd.day, ci->join_date_fract, ci->join_tick_skip_counter);
+			buffer += seprintf(buffer, last, ", joined: %4i-%02i-%02i, %i, %i, frame: %08X",
+					ymd.year, ymd.month + 1, ymd.day, ci->join_date_fract, ci->join_tick_skip_counter, ci->join_frame);
 		}
 		buffer += seprintf(buffer, last, "\n");
 	}