diff --git a/sources/rf_modulator.sources b/sources/rf_modulator.sources
index 293d4b5..f5fd558 100644
--- a/sources/rf_modulator.sources
+++ b/sources/rf_modulator.sources
@@ -14,8 +14,8 @@
 /*linac 2*/
 		/*,{"stream": "tcp://S20CB01-CVME-ILK:9000"}
 		,{"stream": "tcp://S20CB02-CVME-ILK:9000"}
-		,{"stream": "tcp://S20CB03-CVME-ILK:9000"}
-		,{"stream": "tcp://S20CB04-CVME-ILK:9000"}*/
+		,{"stream": "tcp://S20CB03-CVME-ILK:9000"}*/
+		,{"stream": "tcp://S20CB04-CVME-ILK:9000"}
 /*linac 3*/
 		 {"stream": "tcp://S30CB01-CVME-ILK:9000"}
 		,{"stream": "tcp://S30CB02-CVME-ILK:9000"}