diff --git a/conf/gnss-sdr_GPS_L1_2ch_udp.conf b/conf/gnss-sdr_GPS_L1_2ch_udp.conf
index d63eac95d..6dd703fa6 100644
--- a/conf/gnss-sdr_GPS_L1_2ch_udp.conf
+++ b/conf/gnss-sdr_GPS_L1_2ch_udp.conf
@@ -12,9 +12,7 @@ GNSS-SDR.internal_fs_sps=13250000 ;//66.25/5
 ;GNSS-SDR.internal_fs_sps=2650000  ;//66.25/25
 
 ;######### SIGNAL_SOURCE CONFIG ############
-SignalSource.implementation=UDP_Signal_Source
-;SignalSource.implementation=File_Signal_Source
-;SignalSource.filename=/home/javier/gnss/gnss-simulator/build/signal_out.bin ; <- PUT YOUR FILE HERE
+SignalSource.implementation=Custom_UDP_Signal_Source
 SignalSource.item_type=gr_complex
 SignalSource.origin_address=0.0.0.0
 SignalSource.capture_device=eth0