diff --git a/src/backend/cpu/CpuBackend.cpp b/src/backend/cpu/CpuBackend.cpp
index 9ada16376..1efc1eafe 100644
--- a/src/backend/cpu/CpuBackend.cpp
+++ b/src/backend/cpu/CpuBackend.cpp
@@ -416,6 +416,10 @@ rapidjson::Value xmrig::CpuBackend::toJSON(rapidjson::Document &doc) const
     out.AddMember("argon2-impl", argon2::Impl::name().toJSON(), allocator);
 #   endif
 
+#   ifdef XMRIG_ALGO_ASTROBWT
+    out.AddMember("astrobwt-max-size", cpu.astrobwtMaxSize(), allocator);
+#   endif
+
     out.AddMember("hugepages", d_ptr->hugePages(2, doc), allocator);
     out.AddMember("memory",    static_cast<uint64_t>(d_ptr->algo.isValid() ? (d_ptr->ways() * d_ptr->algo.l3()) : 0), allocator);
 
diff --git a/src/backend/cpu/CpuConfig.cpp b/src/backend/cpu/CpuConfig.cpp
index 31921f183..3a17dc1f4 100644
--- a/src/backend/cpu/CpuConfig.cpp
+++ b/src/backend/cpu/CpuConfig.cpp
@@ -28,6 +28,7 @@
 #include "backend/cpu/Cpu.h"
 #include "base/io/json/Json.h"
 #include "rapidjson/document.h"
+#include <algorithm>
 
 
 namespace xmrig {
@@ -48,6 +49,11 @@ static const char *kAsm = "asm";
 static const char *kArgon2Impl = "argon2-impl";
 #endif
 
+#ifdef XMRIG_ALGO_ASTROBWT
+static const char* kAstroBWTMaxSize = "astrobwt-max-size";
+#endif
+
+
 extern template class Threads<CpuThreads>;
 
 }
@@ -85,6 +91,10 @@ rapidjson::Value xmrig::CpuConfig::toJSON(rapidjson::Document &doc) const
     obj.AddMember(StringRef(kArgon2Impl), m_argon2Impl.toJSON(), allocator);
 #   endif
 
+#   ifdef XMRIG_ALGO_ASTROBWT
+    obj.AddMember(StringRef(kAstroBWTMaxSize), m_astrobwtMaxSize, allocator);
+#   endif
+
     m_threads.toJSON(obj, doc);
 
     return obj;
@@ -136,6 +146,16 @@ void xmrig::CpuConfig::read(const rapidjson::Value &value)
         m_argon2Impl = Json::getString(value, kArgon2Impl);
 #       endif
 
+#       ifdef XMRIG_ALGO_ASTROBWT
+        const auto& obj = Json::getValue(value, kAstroBWTMaxSize);
+        if (obj.IsNull() || !obj.IsInt()) {
+            m_shouldSave = true;
+        }
+        else {
+            m_astrobwtMaxSize = std::min(std::max(obj.GetInt(), 400), 1200);
+        }
+#       endif
+
         m_threads.read(value);
 
         generate();
@@ -167,7 +187,7 @@ void xmrig::CpuConfig::generate()
     count += xmrig::generate<Algorithm::ARGON2>(m_threads, m_limit);
     count += xmrig::generate<Algorithm::ASTROBWT>(m_threads, m_limit);
 
-    m_shouldSave = count > 0;
+    m_shouldSave |= count > 0;
 }
 
 
diff --git a/src/backend/cpu/CpuConfig.h b/src/backend/cpu/CpuConfig.h
index a9c408069..090b7e6dd 100644
--- a/src/backend/cpu/CpuConfig.h
+++ b/src/backend/cpu/CpuConfig.h
@@ -58,6 +58,7 @@ public:
     inline bool isYield() const                         { return m_yield; }
     inline const Assembly &assembly() const             { return m_assembly; }
     inline const String &argon2Impl() const             { return m_argon2Impl; }
+    inline int astrobwtMaxSize() const                  { return m_astrobwtMaxSize; }
     inline const Threads<CpuThreads> &threads() const   { return m_threads; }
     inline int priority() const                         { return m_priority; }
     inline uint32_t limit() const                       { return m_limit; }
@@ -78,6 +79,7 @@ private:
     int m_memoryPool     = 0;
     int m_priority       = -1;
     String m_argon2Impl;
+    int m_astrobwtMaxSize = 550;
     Threads<CpuThreads> m_threads;
     uint32_t m_limit     = 100;
 };
diff --git a/src/backend/cpu/CpuLaunchData.cpp b/src/backend/cpu/CpuLaunchData.cpp
index 76da267c1..111adea30 100644
--- a/src/backend/cpu/CpuLaunchData.cpp
+++ b/src/backend/cpu/CpuLaunchData.cpp
@@ -42,7 +42,8 @@ xmrig::CpuLaunchData::CpuLaunchData(const Miner *miner, const Algorithm &algorit
     priority(config.priority()),
     affinity(thread.affinity()),
     miner(miner),
-    intensity(std::min<uint32_t>(thread.intensity(), algorithm.maxIntensity()))
+    intensity(std::min<uint32_t>(thread.intensity(), algorithm.maxIntensity())),
+    astrobwtMaxSize(config.astrobwtMaxSize())
 {
 }
 
diff --git a/src/backend/cpu/CpuLaunchData.h b/src/backend/cpu/CpuLaunchData.h
index 6a1ee30e4..37814e686 100644
--- a/src/backend/cpu/CpuLaunchData.h
+++ b/src/backend/cpu/CpuLaunchData.h
@@ -65,6 +65,7 @@ public:
     const int64_t affinity;
     const Miner *miner;
     const uint32_t intensity;
+    const int astrobwtMaxSize;
 };
 
 
diff --git a/src/backend/cpu/CpuWorker.cpp b/src/backend/cpu/CpuWorker.cpp
index e74ee6ff9..b0934aad1 100644
--- a/src/backend/cpu/CpuWorker.cpp
+++ b/src/backend/cpu/CpuWorker.cpp
@@ -32,6 +32,7 @@
 #include "core/Miner.h"
 #include "crypto/cn/CnCtx.h"
 #include "crypto/cn/CryptoNight_test.h"
+#include "crypto/cn/CryptoNight.h"
 #include "crypto/common/Nonce.h"
 #include "crypto/common/VirtualMemory.h"
 #include "crypto/rx/Rx.h"
@@ -76,6 +77,7 @@ xmrig::CpuWorker<N>::CpuWorker(size_t id, const CpuLaunchData &data) :
     Worker(id, data.affinity, data.priority),
     m_algorithm(data.algorithm),
     m_assembly(data.assembly),
+    m_astrobwtMaxSize(data.astrobwtMaxSize * 1000),
     m_hwAES(data.hwAES),
     m_yield(data.yield),
     m_av(data.av()),
@@ -240,6 +242,8 @@ void xmrig::CpuWorker<N>::start()
                 current_job_nonces[i] = *m_job.nonce(i);
             }
 
+            bool valid = true;
+
 #           ifdef XMRIG_ALGO_RANDOMX
             if (job.algorithm().family() == Algorithm::RANDOM_X) {
                 if (first) {
@@ -256,20 +260,31 @@ void xmrig::CpuWorker<N>::start()
             else
 #           endif
             {
-                fn(job.algorithm())(m_job.blob(), job.size(), m_hash, m_ctx, job.height());
+#               ifdef XMRIG_ALGO_ASTROBWT
+                if (job.algorithm().family() == Algorithm::ASTROBWT) {
+                    if (!astrobwt::astrobwt_dero(m_job.blob(), job.size(), m_ctx[0]->memory, m_hash, m_astrobwtMaxSize))
+                        valid = false;
+                }
+                else
+#               endif
+                {
+                    fn(job.algorithm())(m_job.blob(), job.size(), m_hash, m_ctx, job.height());
+                }
+
                 if (!nextRound(m_job)) {
                     break;
                 };
             }
 
-            for (size_t i = 0; i < N; ++i) {
-                if (*reinterpret_cast<uint64_t*>(m_hash + (i * 32) + 24) < job.target()) {
-                    JobResults::submit(job, current_job_nonces[i], m_hash + (i * 32));
+            if (valid) {
+                for (size_t i = 0; i < N; ++i) {
+                    if (*reinterpret_cast<uint64_t*>(m_hash + (i * 32) + 24) < job.target()) {
+                        JobResults::submit(job, current_job_nonces[i], m_hash + (i * 32));
+                    }
                 }
+                m_count += N;
             }
 
-            m_count += N;
-
             if (m_yield) {
                 std::this_thread::yield();
             }
diff --git a/src/backend/cpu/CpuWorker.h b/src/backend/cpu/CpuWorker.h
index d9528cf95..1e715357b 100644
--- a/src/backend/cpu/CpuWorker.h
+++ b/src/backend/cpu/CpuWorker.h
@@ -70,6 +70,7 @@ private:
 
     const Algorithm m_algorithm;
     const Assembly m_assembly;
+    const int m_astrobwtMaxSize;
     const bool m_hwAES;
     const bool m_yield;
     const CnHash::AlgoVariant m_av;
diff --git a/src/config.json b/src/config.json
index c2ea92199..70096cf7c 100644
--- a/src/config.json
+++ b/src/config.json
@@ -31,6 +31,7 @@
         "max-threads-hint": 100,
         "asm": true,
         "argon2-impl": null,
+        "astrobwt-max-size": 550,
         "cn/0": false,
         "cn-lite/0": false
     },
diff --git a/src/core/config/Config_default.h b/src/core/config/Config_default.h
index 3db93a82f..8b37d1c0c 100644
--- a/src/core/config/Config_default.h
+++ b/src/core/config/Config_default.h
@@ -63,6 +63,7 @@ R"===(
         "max-threads-hint": 100,
         "asm": true,
         "argon2-impl": null,
+        "astrobwt-max-size": 550,
         "cn/0": false,
         "cn-lite/0": false
     },
diff --git a/src/crypto/astrobwt/AstroBWT.cpp b/src/crypto/astrobwt/AstroBWT.cpp
index b4595f87a..f86a42cc5 100644
--- a/src/crypto/astrobwt/AstroBWT.cpp
+++ b/src/crypto/astrobwt/AstroBWT.cpp
@@ -30,6 +30,7 @@
 #include "AstroBWT.h"
 #include "sha3.h"
 #include "crypto/cn/CryptoNight.h"
+#include <limits>
 
 constexpr int STAGE1_SIZE = 147253;
 constexpr int ALLOCATION_SIZE = (STAGE1_SIZE + 1048576) + (128 - (STAGE1_SIZE & 63));
@@ -152,7 +153,7 @@ void sort_indices(int N, const uint8_t* v, uint64_t* indices, uint64_t* tmp_indi
 	}
 }
 
-void astrobwt_dero(const void* input_data, uint32_t input_size, void* scratchpad, uint8_t* output_hash)
+bool xmrig::astrobwt::astrobwt_dero(const void* input_data, uint32_t input_size, void* scratchpad, uint8_t* output_hash, int stage2_max_size)
 {
 	uint8_t key[32];
 	uint8_t* scratchpad_ptr = (uint8_t*)(scratchpad) + 64;
@@ -178,6 +179,9 @@ void astrobwt_dero(const void* input_data, uint32_t input_size, void* scratchpad
 	sha3_HashBuffer(256, SHA3_FLAGS_NONE, stage1_result, STAGE1_SIZE + 1, key, sizeof(key));
 
 	const int stage2_size = STAGE1_SIZE + (*(uint32_t*)(key) & 0xfffff);
+	if (stage2_size > stage2_max_size)
+		return false;
+
 	Salsa20_XORKeyStream(key, stage2_output, stage2_size);
 
 	sort_indices(stage2_size + 1, stage2_output, indices, tmp_indices);
@@ -198,10 +202,12 @@ void astrobwt_dero(const void* input_data, uint32_t input_size, void* scratchpad
 	}
 
 	sha3_HashBuffer(256, SHA3_FLAGS_NONE, stage2_result, stage2_size + 1, output_hash, 32);
+
+	return true;
 }
 
 template<>
 void xmrig::astrobwt::single_hash<xmrig::Algorithm::ASTROBWT_DERO>(const uint8_t* input, size_t size, uint8_t* output, cryptonight_ctx** ctx, uint64_t)
 {
-	astrobwt_dero(input, static_cast<uint32_t>(size), ctx[0]->memory, output);
+	astrobwt_dero(input, static_cast<uint32_t>(size), ctx[0]->memory, output, std::numeric_limits<int>::max());
 }
diff --git a/src/crypto/astrobwt/AstroBWT.h b/src/crypto/astrobwt/AstroBWT.h
index 66a69cd5a..7a3734708 100644
--- a/src/crypto/astrobwt/AstroBWT.h
+++ b/src/crypto/astrobwt/AstroBWT.h
@@ -34,6 +34,7 @@ struct cryptonight_ctx;
 
 namespace xmrig { namespace astrobwt {
 
+bool astrobwt_dero(const void* input_data, uint32_t input_size, void* scratchpad, uint8_t* output_hash, int stage2_max_size);
 
 template<Algorithm::Id ALGO>
 void single_hash(const uint8_t* input, size_t size, uint8_t* output, cryptonight_ctx** ctx, uint64_t);