diff --git a/scan-batch-dir b/scan-batch-dir
index d212480..db646c4 100755
--- a/scan-batch-dir
+++ b/scan-batch-dir
@@ -555,10 +555,7 @@ def process_tiff(file_path:str, level):
     # Create the JP2 derivative if it does not already exist.
     # if the JP2 does not exist:
     jp2_path = f"{dir}/{pid}.jp2"
-    if level == 1:
-        out_pid = f"{pid}"
-    else:
-        out_pid  = f"{parent}-{pid}"
+    out_pid = f"{pid}"
 
     logger.info(f"Tiff: Creating JP2: {jp2_path}")
     if not os.path.exists(jp2_path):
@@ -954,11 +951,11 @@ def process_file(df: pd.DataFrame, file_path: str, level):
         imodel, field_model, resource_type = get_model_details(level)
 
         # Handle top level files by adjusting the PID and parent_folder.
-        if not level == 1:
-            # Not in top level folder.
-            pid = f"{parent_folder}-{file_name}"
-        else:
-            pid = f"{file_name}"
+        # The file's own name is always the PID; the parent object's PID
+        # is tracked separately via parent_id — it should never be
+        # concatenated onto the file's PID.
+        pid = f"{file_name}"
+        if level == 1:
             parent_folder = ''
 
         # Default row_data