diff --git a/src/dls.rs b/src/dls.rs
index 01b679f..3f3895d 100644
--- a/src/dls.rs
+++ b/src/dls.rs
@@ -174,17 +174,26 @@ pub struct HostConfig {
     #[serde(skip_serializing_if = "Option::is_none")]
     pub cluster_name: Option<String>,
 
-    pub annotations: Map<String, String>,
-    pub bootstrap_config: String,
-    pub config: String,
-    #[serde(rename = "IPXE", skip_serializing_if = "Option::is_none")]
-    pub ipxe: Option<String>,
     #[serde(rename = "IPs")]
     pub ips: Vec<IpAddr>,
+
+    #[serde(skip_serializing_if = "Map::is_empty")]
+    pub labels: Map<String, String>,
+    #[serde(skip_serializing_if = "Map::is_empty")]
+    pub annotations: Map<String, String>,
+
+    #[serde(rename = "IPXE", skip_serializing_if = "Option::is_none")]
+    pub ipxe: Option<String>,
+
     pub initrd: String,
     pub kernel: String,
-    pub labels: Map<String, String>,
     pub versions: Map<String, String>,
+
+    pub bootstrap_config: String,
+    #[serde(skip_serializing_if = "Map::is_empty")]
+    pub initrd_files: Map<String, String>,
+
+    pub config: String,
 }
 
 #[derive(serde::Deserialize, serde::Serialize)]