diff --git a/include/rapidjson/schema.h b/include/rapidjson/schema.h
index 6e51177..439133f 100644
--- a/include/rapidjson/schema.h
+++ b/include/rapidjson/schema.h
@@ -620,9 +620,9 @@ public:
             if (v->IsArray() && v->Size() > 0) {
                 enum_ = static_cast<uint64_t*>(allocator_->Malloc(sizeof(uint64_t) * v->Size()));
                 for (ConstValueIterator itr = v->Begin(); itr != v->End(); ++itr) {
-                    typedef Hasher<EncodingType, MemoryPoolAllocator<> > EnumHasherType;
+                    typedef Hasher<EncodingType, MemoryPoolAllocator<AllocatorType> > EnumHasherType;
                     char buffer[256u + 24];
-                    MemoryPoolAllocator<> hasherAllocator(buffer, sizeof(buffer));
+                    MemoryPoolAllocator<AllocatorType> hasherAllocator(buffer, sizeof(buffer));
                     EnumHasherType h(&hasherAllocator, 256);
                     itr->Accept(h);
                     enum_[enumCount_++] = h.GetHashCode();