1 files changed, 2 insertions, 1 deletions
diff --git a/third_party/rust/wast/src/component/resolve.rs b/third_party/rust/wast/src/component/resolve.rs
index c0122ef73f..0f33df564a 100644
--- a/third_party/rust/wast/src/component/resolve.rs
+++ b/third_party/rust/wast/src/component/resolve.rs
@@ -531,7 +531,8 @@ impl<'a> Resolver<'a> {
                         | core::HeapType::Struct
                         | core::HeapType::None
                         | core::HeapType::NoFunc
-                        | core::HeapType::NoExtern => {}
+                        | core::HeapType::NoExtern
+                        | core::HeapType::NoExn => {}
                         core::HeapType::Concrete(id) => {
                             self.resolve_ns(id, Ns::Type)?;
                         }