diff --git a/src/somef/parser/codemeta_parser.py b/src/somef/parser/codemeta_parser.py
index eb5fb8e0..f69afa70 100644
--- a/src/somef/parser/codemeta_parser.py
+++ b/src/somef/parser/codemeta_parser.py
@@ -852,7 +852,7 @@ def map_reference_publication(pub_data):
             if isinstance(a, dict)
         ]
 
-        result["authors"] = mapped_authors
+        result[constants.CAT_AUTHORS] = mapped_authors
 
     return result
 
diff --git a/src/somef/process_repository.py b/src/somef/process_repository.py
index 064d548c..d6eb5841 100644
--- a/src/somef/process_repository.py
+++ b/src/somef/process_repository.py
@@ -247,12 +247,12 @@ def load_gitlab_repository_metadata(repo_metadata: Result, repository_url, autho
         encoded_project_path = quote(project_path, safe="") # Codifica "/" como "%2F"
         # Build url of api to get id
         api_url = f"https://{url.netloc}/api/v4/projects/{encoded_project_path}"
-        project_id = get_project_id(api_url, True, authorization)
+        project_id = get_project_id(api_url, True, authorization,use_config=False)
         logging.info(f'Project_id: {project_id}')
         project_api_url = f"https://{url.netloc}/api/v4/projects/{project_id}"
     
     logging.info(f"Downloading {project_api_url}")
-    details, date = rate_limit_get(project_api_url, headers=gitlab_header_template(authorization))
+    details, date = rate_limit_get(project_api_url, headers=gitlab_header_template(authorization, use_config=False))
     project_details = details.json()
     # date = details.headers["date"]
 
@@ -1017,7 +1017,7 @@ def download_github_files(directory, owner, repo_name, repo_ref, authorization,
     return repo_dir
 
 
-def get_project_id(repository_url,self_hosted, authorization=None):
+def get_project_id(repository_url,self_hosted, authorization=None,  use_config=True):
     """
     Function to download a repository, given its URL
     Parameters:
@@ -1029,7 +1029,7 @@ def get_project_id(repository_url,self_hosted, authorization=None):
 
     logging.info(f"Downloading {repository_url}")
     # response = requests.get(repository_url)
-    headers = gitlab_header_template(authorization)
+    headers = gitlab_header_template(authorization, use_config=use_config)
     response = requests.get(repository_url, headers=headers)
     project_id = "-1"
 
@@ -1383,13 +1383,13 @@ def download_codeberg_files(directory, owner, repo_name, repo_branch, authorizat
     return repo_dir
 
 
-def gitlab_header_template(authorization=None):
+def gitlab_header_template(authorization=None, use_config=True):
     header = {}
     file_paths = configuration.get_configuration_file()
     if authorization is not None:
         header[constants.PROP_AUTHORIZATION] = authorization
         logging.info("GitLab: using authorization token passed directly")   
-    elif constants.CONF_GITLAB_AUTHORIZATION in file_paths:
+    elif use_config and constants.CONF_GITLAB_AUTHORIZATION in file_paths:
         header[constants.PROP_AUTHORIZATION] = file_paths[constants.CONF_GITLAB_AUTHORIZATION]
         logging.info("GitLab: authorization token found in config")
     return header
diff --git a/src/somef/test/test_codemeta_parser.py b/src/somef/test/test_codemeta_parser.py
index 3b3d0b00..5f906ffb 100644
--- a/src/somef/test/test_codemeta_parser.py
+++ b/src/somef/test/test_codemeta_parser.py
@@ -131,12 +131,12 @@ def test_parse_reference_publications_authors_issue_957(self):
         found = False
 
         for cit in citations:
-            authors = cit["result"].get("authors", [])
+            authors = cit["result"].get(constants.CAT_AUTHORS, [])
             if any(a.get("name") == "Daniel Garijo" and a.get("family_name") == "Garijo" and a.get("given_name") == "Daniel" for a in authors):
                 found = True
                 break
         
-        self.assertTrue(found, "Author 'Daniel Garijo' with 'given_name' not found in citation authors")
+        self.assertTrue(found, "Author 'Daniel Garijo' with 'given_name' not found in citation author")
 
 
 if __name__ == "__main__":
diff --git a/src/somef/utils/constants.py b/src/somef/utils/constants.py
index 96e14686..12e19eab 100644
--- a/src/somef/utils/constants.py
+++ b/src/somef/utils/constants.py
@@ -396,7 +396,7 @@
     CAT_DESCRIPTION: "description",
     CAT_DATE_CREATED: "created_on",
     CAT_DATE_UPDATED: "updated_on",
-    CAT_OWNER: ["owner", "nickname"],
+    CAT_OWNER: ["owner", "username"],
     CAT_CODE_REPOSITORY: ["links", "html", "href"],
     CAT_HOMEPAGE: "website",
     CAT_FORKS_URLS: ["links", "forks", "href"]