diff --git a/pkg/agent/loop_test.go b/pkg/agent/loop_test.go
index a0b69a2c1..0ec7ffc15 100644
--- a/pkg/agent/loop_test.go
+++ b/pkg/agent/loop_test.go
@@ -143,7 +143,7 @@ func TestPublishResponseIfNeeded_UsesSessionAgentMessageState(t *testing.T) {
 		Agents: config.AgentsConfig{
 			Defaults: config.AgentDefaults{
 				Workspace:         tmpDir,
-				Model:             "test-model",
+				ModelName:         "test-model",
 				MaxTokens:         4096,
 				MaxToolIterations: 10,
 			},