diff --git a/src/data.cpp b/src/data.cpp
index fc3dfa7..f127a12 100644
--- a/src/data.cpp
+++ b/src/data.cpp
@@ -300,6 +300,15 @@
   return *this;
 }
 
+Data&
+Data::setCachingPolicy(nfd::LocalControlHeader::CachingPolicy cachingPolicy)
+{
+  getLocalControlHeader().setCachingPolicy(cachingPolicy);
+  // ! do not reset Data's wire !
+
+  return *this;
+}
+
 void
 Data::onChanged()
 {