diff --git a/scripts/cif2fasta.py b/scripts/cif2fasta.py
index 27d172ee..488ee89d 100755
--- a/scripts/cif2fasta.py
+++ b/scripts/cif2fasta.py
@@ -271,7 +271,7 @@ def protein_description(self):
             
             return protein_description.strip(',')
         
-        except AttributeError:
+        except (AttributeError, ValueError):
             if DEBUG_MODE > 1:
                 print ('! {pdb} Could not extract pdbx_descriptor from struct table.'.format(
                     pdb = self.pdb_entry()))