diff --git a/script/phase_scan.py b/script/phase_scan.py
index 4e544e3..531d655 100755
--- a/script/phase_scan.py
+++ b/script/phase_scan.py
@@ -46,7 +46,7 @@ rf_ampl_readback =  create_channel_device(prefix + ":GET-VSUM-AMPLT", type = 'd'
 scan_pos.set([])
 scan_val.set([])
 def after(rec):
-    scan_val.append(rec.values[0])
+    scan_val.append(rec.readables[0])
     scan_pos.append(rec.positions[0])
 """
 #TODO: this is workaround to CAS not supporting dynamic arrays
@@ -55,9 +55,9 @@ def after(rec):
    #print rec.index
    arrval =  scan_val.take().tolist()
    arrpos =  scan_pos.take().tolist()
-   arrval[rec.index] = rec.values[0]
+   arrval[rec.index] = rec.readables[0]
    arrpos[rec.index] = rec.positions[0]
-   arrval[rec.index:] = [rec.values[0]] * (len(arrval) -rec.index)
+   arrval[rec.index:] = [rec.readables[0]] * (len(arrval) -rec.index)
    arrpos[rec.index:] = [rec.positions[0]] * (len(arrpos) -rec.index)  
    scan_val.set(arrval)
    scan_pos.set(arrpos)