diff --git a/src/resolver/resolver.cc b/src/resolver/resolver.cc
index 2afd09c..1323131 100644
--- a/src/resolver/resolver.cc
+++ b/src/resolver/resolver.cc
@@ -4279,7 +4279,9 @@
 
     auto* sem_member = builder_->create<sem::StructMember>(
         member, member->symbol(), const_cast<sem::Type*>(type),
-        static_cast<uint32_t>(sem_members.size()), offset, align, size);
+        static_cast<uint32_t>(sem_members.size()),
+        static_cast<uint32_t>(offset), static_cast<uint32_t>(align),
+        static_cast<uint32_t>(size));
     builder_->Sem().Add(member, sem_member);
     sem_members.emplace_back(sem_member);