diff --git a/src/toolbox_scs/constants.py b/src/toolbox_scs/constants.py
index 732ec1cf0591d973fa835baf0cb5e4a15df66987..d0e98b8a30f2e54e2aa021b07c3e6e2b4e5af0aa 100644
--- a/src/toolbox_scs/constants.py
+++ b/src/toolbox_scs/constants.py
@@ -182,7 +182,7 @@ mnemonics = {
                  'key':'actualPosition.value',
                  'dim':None},
     "AFS_DelayLine": {'source':'SCS_ILH_LAS/MOTOR/LT3',
-                 'key':'AActualPosition.value',
+                 'key':'actualPosition.value',
                  'dim':None},
     "AFS_HalfWP": {'source':'SCS_ILH_LAS/MOTOR/ROT_OPA_BWP1',
                  'key':'actualPosition.value',
@@ -203,7 +203,7 @@ mnemonics = {
                  'key':'actualPosition.value',
                  'dim':None},
     "PP800_DelayLine": {'source':'SCS_ILH_LAS/MOTOR/LT3',
-                 'key':'AActualPosition.value',
+                 'key':'actualPosition.value',
                  'dim':None},
     "PP800_HalfWP": {'source':'SCS_ILH_LAS/MOTOR/ROT8WP1',
                  'key':'actualPosition.value',