diff --git a/modelbuilder.py b/modelbuilder.py
index 6d19c87..d752064 100644
--- a/modelbuilder.py
+++ b/modelbuilder.py
@@ -112,7 +112,8 @@ class LoopModelBuilder:
         self.logger.info(f'Missing residues info for {self.pdb_file}:\n {self.missing_info}')
         split_dict = {} # split all chains
         for j in self.analyzer_instance.chain_id_list:
-            fn = Path(f'{self.pdb_file.stem}_{j}.pdb')
+            self.logger.info(f"Chain {j} info: \n{self.analyzer_instance.extract_sequences(j)}")
+            fn = self.output_dir.joinpath(f"{self.analyzer_instance.pid}_{j}.pdb")
             self.analyzer_instance.split_chain(j).to_pdb(fn.as_posix())
             split_dict[j]=fn.read_text()
         return split_dict