diff --git a/script/jitter_scan.py b/script/jitter_scan.py
index 1a4c276..2d65239 100644
--- a/script/jitter_scan.py
+++ b/script/jitter_scan.py
@@ -45,8 +45,8 @@ import  ch.psi.pshell.epics.ControlledVariable as PV_cv
 # controlled variabales
 #cv_rf_phase = PV("phase_ref", SECTION + "-RLLE-DSP:PHASE-REFERENCE")
 #cv_rf_amplt = PV("amplt_ref", SECTION + "-RLLE-DSP:AMPLT-REFERENCE")
-cv_rf_phase = PV_cv("phase_ref", SECTION + "-RLLE-DSP:PHASE-REFERENCE", SECTION + "-RSYS:GET-PHASE-REACHED")
-cv_rf_amplt = PV_cv("amplt_ref", SECTION + "-RLLE-DSP:AMPLT-REFERENCE", SECTION + "-RSYS:GET-AMPLT-REACHED")
+cv_rf_phase = PV_cv("phase_ref", SECTION + "-RSYS:SET-VSUM-PHASE", SECTION + "-RSYS:GET-PHASE-REACHED")
+cv_rf_amplt = PV_cv("amplt_ref", SECTION + "-RSYS:SET-ACC-VOLT"  , SECTION + "-RSYS:GET-AMPLT-REACHED")
 
 # measured variables
 mv_ref_jit_amplt = PV("REF_amplt_jit" ,SECTION + "-RLLE-REF10:SIG-AMPLT-JIT-P2P-REL")