diff --git a/androscalpel_serializer/src/items/code.rs b/androscalpel_serializer/src/items/code.rs
index 763a11f..0ecc398 100644
--- a/androscalpel_serializer/src/items/code.rs
+++ b/androscalpel_serializer/src/items/code.rs
@@ -233,6 +233,7 @@ impl Serializable for CodeItem {
             + self.outs_size.size()
             + self.tries_size_field().size()
             + self.debug_info_off.size()
+            + 0u32.size()
             + self.insns.iter().map(|val| val.size()).sum::<usize>()
             + if !self.tries.is_empty() && self.insns.len() % 2 == 1 {
                 2
@@ -1214,5 +1215,6 @@ mod test {
         ];
         assert_eq!(code.serialize_to_vec().unwrap(), raw);
         assert_eq!(code, CodeItem::deserialize_from_slice(&raw).unwrap());
+        assert_eq!(code.size(), raw.len());
     }
 }