diff --git a/src/toolbox_scs/constants.py b/src/toolbox_scs/constants.py
index 9454fa6cb43772c0b907293a3c02d4f5b58751ca..55a6a3829f29961feaab2e61453a8936ad6b89ef 100644
--- a/src/toolbox_scs/constants.py
+++ b/src/toolbox_scs/constants.py
@@ -360,12 +360,12 @@ mnemonics = {
     "scannerY_enc": ({'source': 'SCS_CDIFFT_SAM/ENC/SCANNERY',
                       'key': 'value.value',
                       'dim': None},),
-    "SAM-Z-MOT": ({'source': 'SCS_CDIFFT_MOV/MOTOR/SAM_Z',
+    "FFT_SAM_Z": ({'source': 'SCS_CDIFFT_MOV/MOTOR/SAM_Z',
                    'key': 'actualPosition.value',
                    'dim': None},),
-    "SAM-Z": ({'source': 'SCS_CDIFFT_MOV/ENC/SAM_Z',
-               'key': 'value.value',
-               'dim': None},),
+    "FFT_SAM_Z_ENC": ({'source': 'SCS_CDIFFT_MOV/ENC/SAM_Z',
+                       'key': 'value.value',
+                       'dim': None},),
     "magnet": ({'source': 'SCS_CDIFFT_MAG/ASENS/PSU_CMON',
                 'key': 'value.value',
                 'dim': None},