diff --git a/rig-core/examples/rag_with_csv.rs b/rig-core/examples/rag_with_csv.rs
index 7a9de694..82637eb8 100644
--- a/rig-core/examples/rag_with_csv.rs
+++ b/rig-core/examples/rag_with_csv.rs
@@ -82,4 +82,4 @@ async fn main() -> Result<(), anyhow::Error> {
     println!("Agent Response:\n{}", response);
 
     Ok(())
-}
\ No newline at end of file
+}
diff --git a/rig-core/src/document_loaders/csv.rs b/rig-core/src/document_loaders/csv.rs
index 34b47cf3..ea91e7d8 100644
--- a/rig-core/src/document_loaders/csv.rs
+++ b/rig-core/src/document_loaders/csv.rs
@@ -37,7 +37,7 @@ impl DocumentLoader for CsvLoader {
             for (i, field) in record.iter().enumerate() {
                 csv_content.push_str(&format!("{}: {}\n", headers[i], field));
             }
-            csv_content.push_str("\n");
+            csv_content.push('\n'); // Changed from push_str("\n") to push('\n')
         }
 
         Ok(vec![DocumentEmbeddings {