diff --git a/loop/agent_test.go b/loop/agent_test.go
index 56708e3..918088d 100644
--- a/loop/agent_test.go
+++ b/loop/agent_test.go
@@ -66,7 +66,7 @@
 		t.Fatal(err)
 	}
 
-	apiKey := cmp.Or(os.Getenv("OUTER_SKETCH_ANTHROPIC_API_KEY"), os.Getenv("ANTHROPIC_API_KEY"))
+	apiKey := cmp.Or(os.Getenv("OUTER_SKETCH_MODEL_API_KEY"), os.Getenv("ANTHROPIC_API_KEY"))
 	cfg := AgentConfig{
 		Context: ctx,
 		Service: &ant.Service{