diff --git a/sstables/sstables.hh b/sstables/sstables.hh
index c0202fd34058..3ea0eb707a05 100644
--- a/sstables/sstables.hh
+++ b/sstables/sstables.hh
@@ -121,6 +121,8 @@ private:
 
     template <typename T>
     int binary_search(const T& entries, const key& sk);
+
+    future<summary_entry&> read_summary_entry(size_t i);
 public:
     // Read one or few rows at the given byte range from the data file,
     // feeding them into the consumer. This function reads the entire given
@@ -153,8 +155,6 @@ public:
     future<> load();
     future<> store();
 
-    future<summary_entry&> read_summary_entry(size_t i);
-
     void set_generation(unsigned long generation) { _generation = generation; }
 
     // Allow the test cases from sstable_test.cc to test private methods. We use
diff --git a/tests/urchin/sstable_test.cc b/tests/urchin/sstable_test.cc
index fa5cdb385f0e..e122f3d2c001 100644
--- a/tests/urchin/sstable_test.cc
+++ b/tests/urchin/sstable_test.cc
@@ -58,6 +58,10 @@ class test {
         return _sst->read_summary();
     }
 
+    future<summary_entry&> read_summary_entry(size_t i) {
+        return _sst->read_summary_entry(i);
+    }
+
     summary& get_summary() {
         return _sst->_summary;
     }
@@ -207,7 +211,7 @@ SEASTAR_TEST_CASE(composite_index_read_0_21_20) {
 template<uint64_t Position, uint64_t EntryPosition, uint64_t EntryKeySize>
 future<> summary_query(sstring path, int generation) {
     return reusable_sst(path, generation).then([] (sstable_ptr ptr) {
-        return ptr->read_summary_entry(Position).then([ptr] (auto entry) {
+        return sstables::test(ptr).read_summary_entry(Position).then([ptr] (auto entry) {
             BOOST_REQUIRE(entry.position == EntryPosition);
             BOOST_REQUIRE(entry.key.size() == EntryKeySize);
             return make_ready_future<>();