diff --git a/packages/df-wiki-cli/df_wiki_cli/articles/__init__.py b/packages/df-wiki-cli/df_wiki_cli/articles/__init__.py
index fd164cd545f265db7320a0850f1d6503a6276f9c..7e90a068d8307dd3dee85e7616351191b9df27ad 100644
--- a/packages/df-wiki-cli/df_wiki_cli/articles/__init__.py
+++ b/packages/df-wiki-cli/df_wiki_cli/articles/__init__.py
@@ -22,7 +22,7 @@ def fetch_articles_from_zotero(
                 format="csljson",
                 limit=batch_size,
                 start=i,
-                # itemType="journalArticle",
+                itemType="journalArticle || Preprint",
                 sort="title",
             )["items"]
             for item in items:
@@ -143,7 +143,7 @@ def add_articles_to_zotero_from_doi(doi, key):
     items_to_add = [zitem]
 
     zot.check_items(items_to_add)
-    res = zot.create_items(items_to_add)
-    new_item = res["successful"]["0"]
-    zot.addto_collection("BSWL96X3", new_item)
+    # res = zot.create_items(items_to_add)
+    # new_item = res["successful"]["0"]
+    # zot.addto_collection("BSWL96X3", new_item)
     console.print("[green]done")
diff --git a/packages/df-wiki-cli/df_wiki_cli/articles/main.py b/packages/df-wiki-cli/df_wiki_cli/articles/main.py
index c1ff6b328fb4de5b783e557586a5a8ac041d567a..5c4bc2c89d36ee484596680d75325873225f091b 100644
--- a/packages/df-wiki-cli/df_wiki_cli/articles/main.py
+++ b/packages/df-wiki-cli/df_wiki_cli/articles/main.py
@@ -63,7 +63,8 @@ def missing_doi(
         zotero_data = json.load(zotero_f)
         for d in zotero_data:
             if "DOI" in d:
-                zotero_dois_set.add(d["DOI"].lower())
+                doi_lower = d["DOI"].lower()
+                zotero_dois_set.add(doi_lower)
 
     dois_set = set()
     for file in dir.rglob("*"):