diff --git a/sources/rf_modulator.sources b/sources/rf_modulator.sources
index ea505ce..1c80cd8 100644
--- a/sources/rf_modulator.sources
+++ b/sources/rf_modulator.sources
@@ -17,7 +17,7 @@
 		,{"stream": "tcp://S20CB03-CVME-ILK:9000"}*/
 		{"stream": "tcp://S20CB04-CVME-ILK:9000"}
 /*linac 3*/
-		 {"stream": "tcp://S30CB01-CVME-ILK:9000"}
+		,{"stream": "tcp://S30CB01-CVME-ILK:9000"}
 		,{"stream": "tcp://S30CB02-CVME-ILK:9000"}
 		,{"stream": "tcp://S30CB03-CVME-ILK:9000"}
 		,{"stream": "tcp://S30CB04-CVME-ILK:9000"}