diff --git a/src/toolbox_scs/detectors/pes.py b/src/toolbox_scs/detectors/pes.py
index cb36e497dfd4c555ce0c72500660b30e46bc3193..ff3a8220c15ec0d64802c10eeaf8f7a4e6897153 100644
--- a/src/toolbox_scs/detectors/pes.py
+++ b/src/toolbox_scs/detectors/pes.py
@@ -89,7 +89,7 @@ def get_pes_tof(run, mnemonics=None, merge_with=None,
     elif 'bunchPatternTable' in run_mnemonics:
         bpt = run.get_array(*run_mnemonics['bunchPatternTable'].values())
     elif 'bunchPatternTable_SA3' in run_mnemonics:
-        bpt = run.get_array(*mnemonics['bunchPatternTable_SA3'].values())
+        bpt = run.get_array(*run_mnemonics['bunchPatternTable_SA3'].values())
     else:
         bpt = None