1 files changed, 2 insertions, 1 deletions
diff --git a/src/abi/stack.h b/src/abi/stack.h
index cc678b6e8..93a6e4cc1 100644
--- a/src/abi/stack.h
+++ b/src/abi/stack.h
@@ -50,7 +50,8 @@ getStackSpace(Index local, Function* func, Index size, Module& wasm) {
   }
   // align the size
   size = stackAlign(size);
-  auto pointerType = wasm.memory.indexType;
+  auto pointerType =
+    !wasm.memories.empty() ? wasm.memories[0]->indexType : Type::i32;
   // TODO: find existing stack usage, and add on top of that - carefully
   Builder builder(wasm);
   auto* block = builder.makeBlock();