diff --git a/oncopipe/oncopipe/__init__.py b/oncopipe/oncopipe/__init__.py
index 5816dbb2..34d3a1e1 100755
--- a/oncopipe/oncopipe/__init__.py
+++ b/oncopipe/oncopipe/__init__.py
@@ -420,6 +420,8 @@ def _switch_on_column(
             sample_id = wildcards.tumour_id
         elif match_on == "normal":
             sample_id = wildcards.normal_id
+        elif match_on == "sample":
+            sample_id = wildcards.sample_id
         else:
             raise ValueError("Invalid value for `match_on`.")
         subset = samples.loc[samples["seq_type"] == wildcards.seq_type]