diff --git a/src/rpc/core_rpc_server.cpp b/src/rpc/core_rpc_server.cpp
index d48b634d2..c8bcc2870 100644
--- a/src/rpc/core_rpc_server.cpp
+++ b/src/rpc/core_rpc_server.cpp
@@ -1005,14 +1005,14 @@ namespace cryptonote
     const account_public_address& lMiningAdr = lMiner.get_mining_address();
     res.address = get_account_address_as_str(nettype(), false, lMiningAdr);
     const uint8_t major_version = m_core.get_blockchain_storage().get_current_hard_fork_version();
-    const unsigned variant = major_version >= 7 ? major_version - 6 : 0;
+    const unsigned variant = major_version >= 13 ? 6 : major_version >= 11 && major_version <= 12 ? 4 : 2;
     switch (variant)
     {
       case 0: res.pow_algorithm = "Cryptonight"; break;
       case 1: res.pow_algorithm = "CNv1 (Cryptonight variant 1)"; break;
       case 2: case 3: res.pow_algorithm = "CNv2 (Cryptonight variant 2)"; break;
-      case 4: case 5: res.pow_algorithm = "CNv4 (Cryptonight variant 4)"; break;
-      case 6: res.pow_algorithm = "RandomX"; break;
+      case 4: case 5: res.pow_algorithm = "CN/WOW"; break;
+      case 6: res.pow_algorithm = "RandomWOW"; break;
       default: res.pow_algorithm = "I'm not sure actually"; break;
     }
     if (res.is_background_mining_enabled)