diff --git a/row_cache.cc b/row_cache.cc
index f3dab04ddb..9454a25e11 100644
--- a/row_cache.cc
+++ b/row_cache.cc
@@ -982,7 +982,7 @@ future<> row_cache::do_update(external_updater eu, memtable& m, Updater updater)
                                 _prev_snapshot_pos = {};
                             } else {
                                 _update_section(_tracker.region(), [&] {
-                                    _prev_snapshot_pos = dht::ring_position(m.partitions.begin()->key());
+                                    _prev_snapshot_pos = m.partitions.begin()->key();
                                 });
                             }
                         });
diff --git a/row_cache.hh b/row_cache.hh
index 16ed0a8f51..09599cb1d3 100644
--- a/row_cache.hh
+++ b/row_cache.hh
@@ -377,7 +377,7 @@ private:
     mutation_source_opt _prev_snapshot;
 
     // Positions >= than this are using _prev_snapshot, the rest is using _underlying.
-    std::optional<dht::ring_position> _prev_snapshot_pos;
+    std::optional<dht::ring_position_ext> _prev_snapshot_pos;
 
     snapshot_source _snapshot_source;