diff --git a/crates/agent_settings/src/agent_settings.rs b/crates/agent_settings/src/agent_settings.rs
index 72a1f6865cc..696b379b121 100644
--- a/crates/agent_settings/src/agent_settings.rs
+++ b/crates/agent_settings/src/agent_settings.rs
@@ -689,6 +689,7 @@ pub struct AgentSettingsContentV2 {
 pub enum CompletionMode {
     #[default]
     Normal,
+    #[serde(alias = "max")]
     Burn,
 }