diff --git a/tests/performance_tests/cn_slow_hash.h b/tests/performance_tests/cn_slow_hash.h
index b484afa41..79ebb8778 100644
--- a/tests/performance_tests/cn_slow_hash.h
+++ b/tests/performance_tests/cn_slow_hash.h
@@ -34,6 +34,7 @@
 #include "crypto/crypto.h"
 #include "cryptonote_basic/cryptonote_basic.h"
 
+template<unsigned int variant>
 class test_cn_slow_hash
 {
 public:
@@ -42,18 +43,15 @@ public:
 #pragma pack(push, 1)
   struct data_t
   {
-    char data[13];
+    char data[43];
   };
 #pragma pack(pop)
 
-  static_assert(13 == sizeof(data_t), "Invalid structure size");
+  static_assert(43 == sizeof(data_t), "Invalid structure size");
 
   bool init()
   {
-    if (!epee::string_tools::hex_to_pod("63617665617420656d70746f72", m_data))
-      return false;
-
-    if (!epee::string_tools::hex_to_pod("bbec2cacf69866a8e740380fe7b818fc78f8571221742d729d9d02d7f8989b87", m_expected_hash))
+    if (!epee::string_tools::hex_to_pod("63617665617420656d70746f763617665617420656d70746f72263617665617420656d70746f7201020304", m_data))
       return false;
 
     return true;
@@ -62,11 +60,10 @@ public:
   bool test()
   {
     crypto::hash hash;
-    crypto::cn_slow_hash(&m_data, sizeof(m_data), hash);
-    return hash == m_expected_hash;
+    crypto::cn_slow_hash(&m_data, sizeof(m_data), hash, variant);
+    return true;
   }
 
 private:
   data_t m_data;
-  crypto::hash m_expected_hash;
 };
diff --git a/tests/performance_tests/main.cpp b/tests/performance_tests/main.cpp
index bfe6de895..86450760c 100644
--- a/tests/performance_tests/main.cpp
+++ b/tests/performance_tests/main.cpp
@@ -193,7 +193,10 @@ int main(int argc, char** argv)
 
   TEST_PERFORMANCE2(filter, p, test_wallet2_expand_subaddresses, 50, 200);
 
-  TEST_PERFORMANCE0(filter, p, test_cn_slow_hash);
+  TEST_PERFORMANCE1(filter, p, test_cn_slow_hash, 0);
+  TEST_PERFORMANCE1(filter, p, test_cn_slow_hash, 1);
+  TEST_PERFORMANCE1(filter, p, test_cn_slow_hash, 2);
+  TEST_PERFORMANCE1(filter, p, test_cn_slow_hash, 4);
   TEST_PERFORMANCE1(filter, p, test_cn_fast_hash, 32);
   TEST_PERFORMANCE1(filter, p, test_cn_fast_hash, 16384);