diff --git a/scripts/cnc.py b/scripts/cnc.py
index ad87776..c7305cf 100755
--- a/scripts/cnc.py
+++ b/scripts/cnc.py
@@ -153,9 +153,9 @@ def normalize_dump(service, input_files, output_dir, newdump = False):
                                     # check if both citing and cited entities have omid
                                     if citing_omid != None and cited_omid != None:
 
+                                        oci_omid = citing_omid+"-"+cited_omid
                                         citing_omid = "br/"+citing_omid.decode("utf-8")
                                         cited_omid = "br/"+cited_omid.decode("utf-8")
-                                        oci_omid = citing_omid+"-"+cited_omid
 
                                         index_ocis[oci_omid] = (citing_omid,cited_omid)