diff --git a/cozo-core/src/storage/sled.rs b/cozo-core/src/storage/sled.rs
index c48a837f..dba2de9f 100644
--- a/cozo-core/src/storage/sled.rs
+++ b/cozo-core/src/storage/sled.rs
@@ -207,7 +207,7 @@ impl<'s> StoreTx<'s> for SledTx {
                 self.db
                     .range(lower.to_vec()..upper.to_vec())
                     .map(|d| d.into_diagnostic())
-                    .map_ok(|(k, v)| decode_tuple_from_kv(&k, &v)),
+                    .map_ok(|(k, v)| decode_tuple_from_kv(&k, &v, None)),
             )
         }
     }
@@ -369,12 +369,12 @@ impl SledIter {
                     if cv[0] == DEL_MARKER {
                         continue;
                     } else {
-                        return Ok(Some(decode_tuple_from_kv(&k, &cv[1..])));
+                        return Ok(Some(decode_tuple_from_kv(&k, &cv[1..], None)));
                     }
                 }
                 (None, Some(_)) => {
                     let (k, v) = self.db_cache.take().unwrap();
-                    return Ok(Some(decode_tuple_from_kv(&k, &v)));
+                    return Ok(Some(decode_tuple_from_kv(&k, &v, None)));
                 }
                 (Some((ck, _)), Some((dk, _))) => match ck.cmp(dk) {
                     Ordering::Less => {
@@ -382,12 +382,12 @@ impl SledIter {
                         if sv[0] == DEL_MARKER {
                             continue;
                         } else {
-                            return Ok(Some(decode_tuple_from_kv(&k, &sv[1..])));
+                            return Ok(Some(decode_tuple_from_kv(&k, &sv[1..], None)));
                         }
                     }
                     Ordering::Greater => {
                         let (k, v) = self.db_cache.take().unwrap();
-                        return Ok(Some(decode_tuple_from_kv(&k, &v)));
+                        return Ok(Some(decode_tuple_from_kv(&k, &v, None)));
                     }
                     Ordering::Equal => {
                         self.db_cache.take();
diff --git a/cozo-core/src/storage/tikv.rs b/cozo-core/src/storage/tikv.rs
index 3b5370ca..30ca0012 100644
--- a/cozo-core/src/storage/tikv.rs
+++ b/cozo-core/src/storage/tikv.rs
@@ -307,7 +307,7 @@ impl Iterator for BatchScanner {
         swap_option_result(
             self.raw
                 .next_inner()
-                .map(|mkv| mkv.map(|(k, v)| decode_tuple_from_kv(k, v))),
+                .map(|mkv| mkv.map(|(k, v)| decode_tuple_from_kv(k, v, None))),
         )
     }
 }