diff --git a/runtime/vm/object.cc b/runtime/vm/object.cc
index fe44666d097..8b891d05777 100644
--- a/runtime/vm/object.cc
+++ b/runtime/vm/object.cc
@@ -7976,7 +7976,7 @@ void Function::SetInstructions(const Code& value) const {
 }
 
 void Function::SetInstructionsSafe(const Code& value) const {
-  untag()->set_code(value.ptr());
+  untag()->set_code<std::memory_order_release>(value.ptr());
   StoreNonPointer(&untag()->entry_point_, value.EntryPoint());
   StoreNonPointer(&untag()->unchecked_entry_point_,
                   value.UncheckedEntryPoint());
diff --git a/runtime/vm/object.h b/runtime/vm/object.h
index 342d6400306..f9ce4ff435d 100644
--- a/runtime/vm/object.h
+++ b/runtime/vm/object.h
@@ -3159,7 +3159,7 @@ class Function : public Object {
   bool SafeToClosurize() const;
 
   static CodePtr CurrentCodeOf(const FunctionPtr function) {
-    return function->untag()->code();
+    return function->untag()->code<std::memory_order_acquire>();
   }
 
   CodePtr unoptimized_code() const {