diff --git a/rust/crates/tools/src/lib.rs b/rust/crates/tools/src/lib.rs
index f37c636..03cf671 100644
--- a/rust/crates/tools/src/lib.rs
+++ b/rust/crates/tools/src/lib.rs
@@ -1632,7 +1632,7 @@ fn build_agent_runtime(
         .clone()
         .unwrap_or_else(|| DEFAULT_AGENT_MODEL.to_string());
     let allowed_tools = job.allowed_tools.clone();
-    let api_client = ProviderRuntimeClient::new(model, allowed_tools.clone())?;
+    let api_client = ProviderRuntimeClient::new(&model, allowed_tools.clone())?;
     let tool_executor = SubagentToolExecutor::new(allowed_tools);
     Ok(ConversationRuntime::new(
         Session::new(),
@@ -1809,8 +1809,8 @@ struct ProviderRuntimeClient {
 }
 
 impl ProviderRuntimeClient {
-    fn new(model: String, allowed_tools: BTreeSet<String>) -> Result<Self, String> {
-        let model = resolve_model_alias(&model).to_string();
+    fn new(model: &str, allowed_tools: BTreeSet<String>) -> Result<Self, String> {
+        let model = resolve_model_alias(model).to_string();
         let client = ProviderClient::from_model(&model).map_err(|error| error.to_string())?;
         Ok(Self {
             runtime: tokio::runtime::Runtime::new().map_err(|error| error.to_string())?,