diff --git a/collection-scripts/characterization/p800_preliminaries.py b/collection-scripts/characterization/p800_preliminaries.py
index 2055be3e2e36e5cf72f10a8c23df2b4d2fe24fa2..1671d68d85e9901236d0abdd078b324f4081886c 100644
--- a/collection-scripts/characterization/p800_preliminaries.py
+++ b/collection-scripts/characterization/p800_preliminaries.py
@@ -55,21 +55,28 @@ def copy_preliminaries(root_dir, config_yaml):
 
         for item in exp_cfg["preliminaries"]:
             cat = item["category"]
-            cond = item["label"]
+            # need to copy the reference files for every condition as well
+            conds = ["c01", item["label"]]
 
             # Find the condition folder in proc_output
             for proc_out in proc_out_list:
-                src = proc_out / f"{cat}*" / f"out_{LOUDNESS_MAP[cat]}LKFS" / cond
+                for cond in conds:
+                    src = proc_out / f"{cat}*" / f"out_{LOUDNESS_MAP[cat]}LKFS" / cond / "*s07.c*.wav"
 
-                for file in glob.glob(str(src / "*s07.c*.wav")):
-                    print(f"  Copying {file} -> {out_dir}")
+                    for file in glob.glob(str(src), recursive=True):
+                        print(f"  Copying {file} -> {out_dir}")
 
-                    if (out_dir / Path(file).name).is_file():
-                        raise FileExistsError(
-                            f"File {file} already exists in {out_dir}"
-                        )
+                        filename = Path(file).name
 
-                    shutil.copy(file, out_dir)
+                        if (out_dir / filename).is_file():
+                            if cond != "c01":
+                                raise FileExistsError(
+                                    f"File {file} already exists in {out_dir}"
+                                )
+                            else:
+                                print(f"    c01 condition already copied, skipping: {filename}")
+
+                        shutil.copy(file, out_dir)
 
     print("All done.")