diff --git a/haystack/components/writers/document_writer.py b/haystack/components/writers/document_writer.py
index a0ed98c3e0..76384d8f59 100644
--- a/haystack/components/writers/document_writer.py
+++ b/haystack/components/writers/document_writer.py
@@ -109,5 +109,8 @@ def run(self, documents: List[Document], policy: Optional[DuplicatePolicy] = Non
         if policy is None:
             policy = self.policy
 
+        for document in documents:
+            document.content = document.content.replace('\x00', '')
+
         documents_written = self.document_store.write_documents(documents=documents, policy=policy)
         return {"documents_written": documents_written}