diff --git a/proteinflow/data/torch.py b/proteinflow/data/torch.py
index 1224d99..28fbf59 100644
--- a/proteinflow/data/torch.py
+++ b/proteinflow/data/torch.py
@@ -914,6 +914,8 @@ def set_cdr(self, cdr):
         """
         if not self.sabdab:
             cdr = None
+        if isinstance(cdr, str):
+            cdr = [cdr]
         if cdr == self.cdr:
             return
         self.cdr = cdr
@@ -924,12 +926,12 @@ def set_cdr(self, cdr):
             print(f"Setting CDR to {cdr}...")
             for i, data in tqdm(enumerate(self.data)):
                 if self.clusters is not None:
-                    if data.split("__")[1] == cdr:
+                    if data.split("__")[1] in cdr:
                         self.indices.append(i)
                 else:
                     add = False
                     for chain in self.files[data]:
-                        if chain.split("__")[1] == cdr:
+                        if chain.split("__")[1] in cdr:
                             add = True
                             break
                     if add: