1 files changed, 2 insertions, 0 deletions
diff --git a/src/shell-interface.h b/src/shell-interface.h
index c07203a92..dc455ee81 100644
--- a/src/shell-interface.h
+++ b/src/shell-interface.h
@@ -114,6 +114,8 @@ struct ShellExternalInterface : ModuleInstance::ExternalInterface {
             break;
           case v128:
             assert(false && "v128 not implemented yet");
+          case except_ref:
+            assert(false && "except_ref not implemented yet");
           case none:
           case unreachable:
             WASM_UNREACHABLE();