diff --git a/src/rose/rose_build_engine_blob.h b/src/rose/rose_build_engine_blob.h
index 61b6b440..69e8201e 100644
--- a/src/rose/rose_build_engine_blob.h
+++ b/src/rose/rose_build_engine_blob.h
@@ -33,6 +33,7 @@
 
 #include "ue2common.h"
 #include "util/alloc.h"
+#include "util/bytecode_ptr.h"
 #include "util/container.h"
 #include "util/multibit_build.h"
 #include "util/noncopyable.h"
@@ -76,6 +77,11 @@ public:
         return verify_u32(rv);
     }
 
+    template<typename T>
+    u32 add(const bytecode_ptr<T> &a) {
+        return add(a.get(), a.size(), a.align());
+    }
+
     template<typename T>
     u32 add(const T &a) {
         static_assert(std::is_pod<T>::value, "should be pod");