diff --git a/src/command/list.rs b/src/command/list.rs
index 23dad11..fed9ccd 100644
--- a/src/command/list.rs
+++ b/src/command/list.rs
@@ -1,16 +1,16 @@
 #[derive(Default)]
 pub struct ListCommand {
-    uuids: bool
+    uuids: Option<bool>
 }
 
 impl ListCommand {
     pub fn uuids(mut self) -> Self {
-        self.uuids = true;
+        self.uuids = Some(true);
         self
     } 
 
     pub fn build(self) -> super::Command {
-        let uuids = self.uuids;
+        let uuids = self.uuids.unwrap_or(false);
         let mut s = format!("list");
         if uuids {
             s.push_str(" uuids");