diff --git a/crates/churn/src/agent/config.rs b/crates/churn/src/agent/config.rs
index 083abac..88c0966 100644
--- a/crates/churn/src/agent/config.rs
+++ b/crates/churn/src/agent/config.rs
@@ -26,7 +26,7 @@ struct ConfigFile {
     agent_id: String,
     discovery: String,
 
-    labels: BTreeMap<String, String>,
+    labels: Option<BTreeMap<String, String>>,
 }
 
 impl ConfigFile {
@@ -55,7 +55,7 @@ impl ConfigFile {
         let s = Self {
             agent_id: Uuid::new_v4().to_string(),
             discovery: discovery.into(),
-            labels: labels.into(),
+            labels: Some(labels.into()),
         };
 
         let directory = dirs::data_dir()