diff --git a/crates/agent/src/thread.rs b/crates/agent/src/thread.rs
index 2e693a85cd1f86d232e392860d8bd83509ce131a..c57bd1e99b9ae4fd1a93214e2a5d5937d1ab0274 100644
--- a/crates/agent/src/thread.rs
+++ b/crates/agent/src/thread.rs
@@ -2617,7 +2617,8 @@ impl Thread {
             }
         }
 
-        let use_streaming_edit_tool = cx.has_flag::<StreamingEditFileToolFeatureFlag>();
+        let use_streaming_edit_tool =
+            cx.has_flag::<StreamingEditFileToolFeatureFlag>() && model.supports_streaming_tools();
 
         let mut tools = self
             .tools