diff --git a/src/sed/loader/mpes/metadata.py b/src/sed/loader/mpes/metadata.py
index f61e7ac8..9093c99f 100644
--- a/src/sed/loader/mpes/metadata.py
+++ b/src/sed/loader/mpes/metadata.py
@@ -118,7 +118,6 @@ def fetch_epics_metadata(self, ts_from: float, ts_to: float, metadata: dict) ->
                 metadata["file"][f"{channel}"] = np.mean(vals)
 
             except IndexError:
-                metadata["file"][f"{channel}"] = np.nan
                 logger.info(
                     f"Data for channel {channel} doesn't exist for time {start}",
                 )