diff --git a/src/openai_compat.rs b/src/openai_compat.rs
index 91f7955..4bdce46 100644
--- a/src/openai_compat.rs
+++ b/src/openai_compat.rs
@@ -218,10 +218,7 @@ pub async fn chat_completions(
                     finish_reason: None,
                 }],
             };
-            let _ = tx_tokens.send(format!(
-                "data: {}\n\n",
-                serde_json::to_string(&initial_chunk).unwrap()
-            ));
+            let _ = tx_tokens.send(serde_json::to_string(&initial_chunk).unwrap());
 
             // Generate and stream tokens
             let _ = loaded
@@ -243,10 +240,7 @@ pub async fn chat_completions(
                                 finish_reason: None,
                             }],
                         };
-                        let _ = tx_tokens.send(format!(
-                            "data: {}\n\n",
-                            serde_json::to_string(&chunk).unwrap()
-                        ));
+                        let _ = tx_tokens.send(serde_json::to_string(&chunk).unwrap());
                     })),
                 )
                 .await;
@@ -266,11 +260,8 @@ pub async fn chat_completions(
                     finish_reason: Some("stop".to_string()),
                 }],
             };
-            let _ = tx.send(format!(
-                "data: {}\n\n",
-                serde_json::to_string(&final_chunk).unwrap()
-            ));
-            let _ = tx.send("data: [DONE]\n\n".to_string());
+            let _ = tx.send(serde_json::to_string(&final_chunk).unwrap());
+            let _ = tx.send("[DONE]".to_string());
         });
 
         let stream = UnboundedReceiverStream::new(rx)