diff --git a/performance/merge_sort_by_key.test b/performance/comparison_sort_by_key.test
similarity index 74%
rename from performance/merge_sort_by_key.test
rename to performance/comparison_sort_by_key.test
index 504c7e4c5..b7b02b28a 100644
--- a/performance/merge_sort_by_key.test
+++ b/performance/comparison_sort_by_key.test
@@ -2,6 +2,15 @@ PREAMBLE = \
     """
     #include <thrust/sort.h>
     #include <thrust/sequence.h>
+    template<typename T>
+    struct my_less
+    {
+      inline __host__ __device__
+      bool operator()(const T &lhs, const T &rhs) const
+      {
+        return lhs < rhs;
+      }
+    };
     """
 
 INITIALIZE = \
@@ -18,7 +27,8 @@ INITIALIZE = \
 
     // test sort
     thrust::stable_sort_by_key(h_keys.begin(), h_keys.end(), h_values.begin());
-    thrust::detail::backend::cuda::detail::stable_merge_sort_by_key(d_keys.begin(), d_keys.end(), d_values.begin(), thrust::less<$KeyType>());
+
+    thrust::stable_sort_by_key(d_keys.begin(), d_keys.end(), d_values.begin(), my_less<$KeyType>());
 
     ASSERT_EQUAL(d_keys,   h_keys);
     ASSERT_EQUAL(d_values, h_values);
@@ -27,7 +37,7 @@ INITIALIZE = \
 TIME = \
     """
     thrust::copy(d_keys_copy.begin(), d_keys_copy.end(), d_keys.begin());
-    thrust::detail::backend::cuda::detail::stable_merge_sort_by_key(d_keys.begin(), d_keys.end(), d_values.begin(), thrust::less<$KeyType>());
+    thrust::stable_sort_by_key(d_keys.begin(), d_keys.end(), d_values.begin(), my_less<$KeyType>());
     """
 
 FINALIZE = \
diff --git a/performance/report.py b/performance/report.py
index 2436c3ab2..fe9ce1bef 100644
--- a/performance/report.py
+++ b/performance/report.py
@@ -15,7 +15,7 @@
 for method in ['indirect_sort']:
     output(method + '.xml',    'Sort', 'VectorLength', 'Time', plot='semilogx', title='Indirect Sorting', format=format)
 
-for method in ['sort', 'merge_sort', 'radix_sort']:
+for method in ['sort', 'comparison_sort', 'radix_sort']:
     output(method + '.xml',    'KeyType', 'InputSize', 'Sorting', title='thrust::' + method, format=format)
     output(method + '_by_key.xml', 'KeyType', 'InputSize', 'Sorting', title='thrust::' + method + '_by_key', format=format)