diff --git a/st.cmd b/st.cmd
index 656b85e3b76333f9c11880a981a67b36f3867221..4648f9708d3aca2fc9448b01b483d51ba15ce33d 100644
--- a/st.cmd
+++ b/st.cmd
@@ -1,5 +1,5 @@
-epicsEnvSet("LLRF_PREFIX", "TS2-010RFC:RFS-LLRF-102")
-epicsEnvSet("LLRF_DIGRTM_PREFIX", "TS2-010RFC")
+epicsEnvSet("LLRF_P", "TS2-010RFC")
+epicsEnvSet("LLRF_R", "RFS-LLRF-102")
 epicsEnvSet("LLRF_DIG_R_1", "RFS-DIG-102")
 epicsEnvSet("LLRF_RFM_R_1", "RFS-RFM-102")
 epicsEnvSet("TSELPV" "TS2-010:Ctrl-EVR-101:EvtACnt-I.TIME")