diff --git a/src/Cpu.cpp b/src/Cpu.cpp
index 1fcc7393..5c2ef255 100644
--- a/src/Cpu.cpp
+++ b/src/Cpu.cpp
@@ -111,7 +111,7 @@ void CpuImpl::optimizeParameters(size_t& threadsCount, size_t& hashFactor,
 
     if (algo == Options::ALGO_CRYPTONIGHT_HEAVY || powVariant == POW_XFH) {
         maximumReasonableHashFactor = 3;
-    } else if (getBaseVariant(powVariant) == POW_V2 || getBaseVariant(powVariant) == POW_V4 || algo == Options::ALGO_CRYPTONIGHT_EXTREMELITE || algo == Options::ALGO_CRYPTONIGHT_ULTRALITE) {
+    } else if (getCNBaseVariant(powVariant) == POW_V2 || getCNBaseVariant(powVariant) == POW_V4 || algo == Options::ALGO_CRYPTONIGHT_EXTREMELITE || algo == Options::ALGO_CRYPTONIGHT_ULTRALITE) {
         maximumReasonableHashFactor = 2;
     } else if (!Options::isCNAlgo(algo)) {
         maximumReasonableHashFactor = 1;
diff --git a/src/Options.cpp b/src/Options.cpp
index c05185ee..0a5b7a5b 100644
--- a/src/Options.cpp
+++ b/src/Options.cpp
@@ -354,7 +354,8 @@ constexpr static const char *pow_variant_names[] = {
         "zls",
         "graft",
         "upx2",
-        "chukwa"
+        "chukwa",
+        "wrkz"
 };
 
 constexpr static const char *asm_optimization_names[] = {
@@ -1178,6 +1179,12 @@ bool Options::setAlgo(const char *algo)
             break;
         }
 
+        if (i == ARRAY_SIZE(algo_names) - 1 && (!strcmp(algo, "argon2-wrkz") || !strcmp(algo, "wrkz"))) {
+            m_algo = ALGO_ARGON2_256;
+            m_powVariant = POW_ARGON2_WRKZ;
+            break;
+        }
+
         if (i == ARRAY_SIZE(algo_names) - 1) {
             showUsage(1);
             return false;
@@ -1188,6 +1195,10 @@ bool Options::setAlgo(const char *algo)
         m_powVariant = POW_ARGON2_CHUKWA;
     }
 
+    if (m_algo == ALGO_ARGON2_256 && m_powVariant == POW_AUTODETECT) {
+        m_powVariant = POW_ARGON2_WRKZ;
+    }
+
     return true;
 }
 
diff --git a/src/PowVariant.h b/src/PowVariant.h
index a70ff721..a877ff64 100644
--- a/src/PowVariant.h
+++ b/src/PowVariant.h
@@ -46,6 +46,7 @@ enum PowVariant
     POW_RWZ,
     POW_UPX2,
     POW_ARGON2_CHUKWA,
+    POW_ARGON2_WRKZ,
     LAST_ITEM
 };
 
@@ -95,6 +96,8 @@ inline std::string getPowVariantName(PowVariant powVariant)
             return "upx2";
         case POW_ARGON2_CHUKWA:
             return "chukwa";
+        case POW_ARGON2_WRKZ:
+            return "wrkz";
         case POW_AUTODETECT:
         default:
             return "-1";
@@ -184,12 +187,14 @@ inline PowVariant parseVariant(const std::string variant)
         powVariant = PowVariant::POW_UPX2;
     } else if (variant == "chukwa" || variant == "trtl-chukwa" || variant == "argon2-chukwa") {
         powVariant = PowVariant::POW_ARGON2_CHUKWA;
+    } else if (variant == "chukwa_wrkz" || variant == "wrkz" || variant == "argon2-wrkz") {
+        powVariant = PowVariant::POW_ARGON2_WRKZ;
     }
 
     return powVariant;
 }
 
-inline PowVariant getBaseVariant(PowVariant powVariant)
+inline PowVariant getCNBaseVariant(PowVariant powVariant)
 {
     switch (powVariant)
     {
diff --git a/src/crypto/Argon2_test.h b/src/crypto/Argon2_test.h
index b3030d1e..8c3d9696 100644
--- a/src/crypto/Argon2_test.h
+++ b/src/crypto/Argon2_test.h
@@ -39,4 +39,11 @@ const static uint8_t argon2_chukwa_test_out[32] = {
 		0x0d, 0x2e
 };
 
+const static uint8_t argon2_wrkz_test_out[32] = {
+		0xB2, 0xFB, 0x90, 0x2B, 0xF4, 0x95, 0x99, 0x83, 0x9A, 0x61,
+		0xCA, 0x28, 0xA4, 0xF9, 0x81, 0xD5, 0x49, 0x68, 0x8F, 0xCD,
+		0x87, 0x59, 0xC4, 0x05, 0xE6, 0x79, 0xED, 0x9E, 0xF1, 0x36,
+		0xD1, 0xB9,
+};
+
 #endif /* __ARGON2_TEST_H__ */
diff --git a/src/crypto/HashSelector.cpp b/src/crypto/HashSelector.cpp
index 92820f49..732bea4b 100644
--- a/src/crypto/HashSelector.cpp
+++ b/src/crypto/HashSelector.cpp
@@ -456,6 +456,10 @@ static void argon2(AsmOptimization asmOptimization, uint64_t height, PowVariant
     if (variant == PowVariant::POW_ARGON2_CHUKWA || variant == POW_TURTLE) {
         argon2id_hash_raw(3, MEMORY_ARGON2_512/1024, 1, input, size, input, 16, output, 32, scratchPad[0]->memory, MEMORY_ARGON2_512);
     }
+
+    if (variant == PowVariant::POW_ARGON2_WRKZ) {
+        argon2id_hash_raw(4, MEMORY_ARGON2_256/1024, 1, input, size, input, 16, output, 32, scratchPad[0]->memory, MEMORY_ARGON2_256);
+    }
 }
 
 void (*hash_ctx[MAX_NUM_HASH_BLOCKS])(AsmOptimization asmOptimization, uint64_t height, PowVariant variant, const uint8_t* input, size_t size, uint8_t* output, ScratchPad** scratchPad);
@@ -914,22 +918,21 @@ bool HashSelector::selfCheck(Options::Algo algo)
         argon2_select_impl(NULL, NULL);
     }
     else if (algo == Options::ALGO_ARGON2_256) {
-        // Trigger Benchmark once to setup CPU instruction set
         argon2_select_impl(NULL, NULL);
+
+        hash_ctx[0](asmOptimization, 0, PowVariant::POW_ARGON2_WRKZ, argon2_test_input, 76, output, scratchPads);
+        resultArgon2 = resultArgon2 && memcmp(output, argon2_wrkz_test_out, 32) == 0;
     }
     else if (algo == Options::ALGO_ARGON2_500) {
-        // Trigger Benchmark once to setup CPU instruction set
         argon2_select_impl(NULL, NULL);
     }
     else if (algo == Options::ALGO_ARGON2_512) {
-        // Trigger Benchmark once to setup CPU instruction set
         argon2_select_impl(NULL, NULL);
 
         hash_ctx[0](asmOptimization, 0, PowVariant::POW_ARGON2_CHUKWA, argon2_test_input, 76, output, scratchPads);
         resultArgon2 = resultArgon2 && memcmp(output, argon2_chukwa_test_out, 32) == 0;
     }
     else if (algo == Options::ALGO_ARGON2_4096) {
-        // Trigger Benchmark once to setup CPU instruction set
         argon2_select_impl(NULL, NULL);
     }