1 files changed, 1 insertions, 0 deletions
diff --git a/src/wasm.h b/src/wasm.h
index a0f634d17..2e09ef088 100644
--- a/src/wasm.h
+++ b/src/wasm.h
@@ -40,6 +40,7 @@ namespace wasm {
 enum Feature : uint32_t {
   MVP = 0,
   Atomics = 1 << 0,
+  MutableGlobals = 1 << 1,
   All = 0xffffffff,
 };
 typedef uint32_t FeatureSet;