diff --git a/libtorrent/src/kademlia/node.cpp b/libtorrent/src/kademlia/node.cpp
index fcc8790b..0f60df77 100644
--- a/libtorrent/src/kademlia/node.cpp
+++ b/libtorrent/src/kademlia/node.cpp
@@ -311,8 +311,9 @@ namespace
 
 	void putData_confirm(entry::list_type const& values_list, dht_storage_item& item)
 	{
-		if( !values_list.empty() ) {
+		if( !item.confirmed && !values_list.empty() ) {
 			item.confirmed = true;
+			item.next_refresh_time = time_now() + minutes(60);
 		}
 	}