diff --git a/cmd/crates/soroban-spec-tools/src/lib.rs b/cmd/crates/soroban-spec-tools/src/lib.rs
index 6b2cb74c3..4eaae36f0 100644
--- a/cmd/crates/soroban-spec-tools/src/lib.rs
+++ b/cmd/crates/soroban-spec-tools/src/lib.rs
@@ -589,6 +589,8 @@ impl Spec {
                 self.sc_object_to_json(val, type_)?
             }
 
+            (val, ScType::Val) => to_json(val)?,
+
             (ScVal::Error(_), ScType::Error) => todo!(),
             (v, typed) => todo!("{v:#?} doesn't have a matching {typed:#?}"),
         })