diff --git a/barrOs_library.py b/barrOs_library.py
index 05dde8efb3f1454be8937a36e9cea1c45986c77d..3234bf0f199f426746527505474b740ee3c86b1d 100644
--- a/barrOs_library.py
+++ b/barrOs_library.py
@@ -2284,8 +2284,8 @@ def run_barros(arguments, offset = 1, step = 2, local_angle_threshold = 25, dist
             pdb_file = pdbID
             chains_inpdb = get_chains_in_pdb(pdb_file, source_pdb=False)[0]
 
-            if 'AF-' in pdbID:
-                pdbID, chainID = pdb_file, chains_inpdb[0]
+            if 'model_' in pdbID:
+                pdbID, chainID = pdbID, chains_inpdb[0]
             else:
                 try:
                     pdbID, chainID = pdb_file[:-4].split('/')[-1].split('_')