diff --git a/connectors/github.py b/connectors/github.py
index 5f078f2..48435bc 100644
--- a/connectors/github.py
+++ b/connectors/github.py
@@ -84,7 +84,7 @@ def create_issue(self, title, msg, assignee, labels=[], repo=None):
             return True
         except GithubException as e:
             GitHubConnector.log_exception(e.data)
-            if assignee is None:
+            if assignee is GithubObject.NotSet:
                 return False
             else:
                 # try without assignee
diff --git a/controllers/issues.py b/controllers/issues.py
index 6e121bf..274c925 100644
--- a/controllers/issues.py
+++ b/controllers/issues.py
@@ -68,6 +68,10 @@ def copy_issues(self, mapping_file, fromrepo, torepo, offset):
         mapping_dict = parsers.csvparser.get_rows_as_dict(mapping_file) if mapping_file is not None else {}
         REF_TEMPLATE = '\n\n<sub>[original: {}#{}]</sub>'
 
+        if torepo.count('{}') > 1:
+            logging.error('torepo contains more than 1 replacement field!')
+            sys.exit(1)
+
         if not offset:
             offset = 0
 
@@ -79,13 +83,17 @@ def copy_issues(self, mapping_file, fromrepo, torepo, offset):
 
             if from_mapping:
                 from_mapping = from_mapping.group(1)
-                print(from_mapping)
-                to_mapping = mapping_dict.get(from_mapping, from_mapping)
+                to_mapping = mapping_dict.get(from_mapping, [])
+
+            try:
+                actl_to_repo = torepo.format(to_mapping[0])
+            except IndexError:
+                actl_to_repo = torepo.format('')
 
-            is_transferred = self.ghc.create_issue(new_title, new_body, None, to_mapping, torepo)
+            is_transferred = self.ghc.create_issue(new_title, new_body, None, to_mapping, actl_to_repo)
 
             if not is_transferred:
-                logging.error('Unable to create issue with idx: %s', user)
+                logging.error('[%d][#%d][%s -> %s] Unable to copy', idx, issue.number, fromrepo, actl_to_repo)
 
     def blast_issues(self, csv_file, title, msg_file, start_from):
         """
diff --git a/example/issues/copy/mapping.csv b/example/issues/copy/mapping.csv
new file mode 100644
index 0000000..3a6ee9d
--- /dev/null
+++ b/example/issues/copy/mapping.csv
@@ -0,0 +1,4 @@
+origin1,tag1,tag2,tag3
+origin2,tag1,tag2,tag3
+origin3,tag1,tag2,tag3
+(and so on...)
\ No newline at end of file