diff --git a/integrations/weaviate/src/haystack_integrations/document_stores/weaviate/document_store.py b/integrations/weaviate/src/haystack_integrations/document_stores/weaviate/document_store.py
index ec66e07c3..1b6e95155 100644
--- a/integrations/weaviate/src/haystack_integrations/document_stores/weaviate/document_store.py
+++ b/integrations/weaviate/src/haystack_integrations/document_stores/weaviate/document_store.py
@@ -166,7 +166,9 @@ def __init__(
             }
         else:
             # Set the class if not set
-            collection_settings["class"] = collection_settings.get("class", "default").capitalize()
+            _class_name = collection_settings.get("class", "Default")
+            _class_name = _class_name[0].upper() + _class_name[1:]
+            collection_settings["class"] = _class_name
             # Set the properties if they're not set
             collection_settings["properties"] = collection_settings.get("properties", DOCUMENT_COLLECTION_PROPERTIES)
 
diff --git a/integrations/weaviate/tests/test_document_store.py b/integrations/weaviate/tests/test_document_store.py
index cc76923f6..59a6ed2e3 100644
--- a/integrations/weaviate/tests/test_document_store.py
+++ b/integrations/weaviate/tests/test_document_store.py
@@ -664,3 +664,18 @@ def test_filter_documents_over_default_limit(self, document_store):
         document_store.write_documents(docs)
         with pytest.raises(DocumentStoreError):
             document_store.filter_documents({"field": "content", "operator": "==", "value": "This is some content"})
+
+    def test_schema_class_name_conversion_preserves_pascal_case(self):
+        collection_settings = {"class": "CaseDocument"}
+        doc_score = WeaviateDocumentStore(
+            url="http://localhost:8080",
+            collection_settings=collection_settings,
+        )
+        assert doc_score._collection_settings["class"] == "CaseDocument"
+
+        collection_settings = {"class": "lower_case_name"}
+        doc_score = WeaviateDocumentStore(
+            url="http://localhost:8080",
+            collection_settings=collection_settings,
+        )
+        assert doc_score._collection_settings["class"] == "Lower_case_name"