1 files changed, 2 insertions, 2 deletions
diff --git a/src/pattern.rs b/src/pattern.rs
index 2f7166a..6286ff9 100644
--- a/src/pattern.rs
+++ b/src/pattern.rs
@@ -56,8 +56,8 @@ impl<O: Serialize> Pattern<O> {
         ).deserialize(der)?;
         // this should always be None
         debug_assert!(obj.is_none());
-        debug_assert!(packs.len() == 1);
-        let pack = packs.pop().unwrap();
+        debug_assert!(packs.len() <= 1);
+        let pack = packs.pop().unwrap_or_else(Default::default);
         let de = De::deserialize(vm::Unpacker::new(pack, MAX_CALLS));
         todo!()
     }