diff --git a/msannika_fdr.py b/msannika_fdr.py
index 9e08116..4d089ac 100644
--- a/msannika_fdr.py
+++ b/msannika_fdr.py
@@ -103,7 +103,7 @@ def group(data: pd.DataFrame) -> pd.DataFrame:
                              "Decoy": MSAnnika_CSM_Grouper.get_decoy_flag(crosslinks[crosslink][0]),
                              "Modifications A": crosslinks[crosslink][0]["Modifications A"],
                              "Modifications B": crosslinks[crosslink][0]["Modifications B"],
-                             "Confidence": "Low"})
+                             "Confidence": "Unknown"})
             rows.append(row)
 
         return pd.concat(rows, ignore_index = True, axis = 1, names = columns).T