diff --git a/src/AsmOptimization.h b/src/AsmOptimization.h
index 0662d305..7c30d553 100644
--- a/src/AsmOptimization.h
+++ b/src/AsmOptimization.h
@@ -27,7 +27,7 @@ enum AsmOptimization
     ASM_AUTODETECT,
     ASM_INTEL,
     ASM_RYZEN,
-    ASM_NONE
+    ASM_OFF
 };
 
 inline std::string getAsmOptimizationName(AsmOptimization asmOptimization)
@@ -38,7 +38,7 @@ inline std::string getAsmOptimizationName(AsmOptimization asmOptimization)
             return "INTEL";
         case ASM_RYZEN:
             return "RYZEN";
-        case ASM_NONE:
+        case ASM_OFF:
             return "OFF";
         case ASM_AUTODETECT:
         default:
@@ -55,7 +55,7 @@ inline AsmOptimization parseAsmOptimization(int optimization)
             asmOptimization = AsmOptimization::ASM_AUTODETECT;
             break;
         case 0:
-            asmOptimization = AsmOptimization::ASM_NONE;
+            asmOptimization = AsmOptimization::ASM_OFF;
             break;
         case 1:
             asmOptimization = AsmOptimization::ASM_INTEL;
@@ -75,7 +75,7 @@ inline AsmOptimization parseAsmOptimization(const std::string optimization)
     AsmOptimization asmOptimization = AsmOptimization::ASM_AUTODETECT;
 
     if (optimization == "0" || optimization == "none" || optimization == "off") {
-        asmOptimization = AsmOptimization::ASM_NONE;
+        asmOptimization = AsmOptimization::ASM_OFF;
     } else if (optimization == "1" || optimization == "intel") {
         asmOptimization = AsmOptimization::ASM_INTEL;
     } else if (optimization == "2" || optimization == "ryzen") {
diff --git a/src/Cpu.cpp b/src/Cpu.cpp
index d5da6949..ead28fdd 100644
--- a/src/Cpu.cpp
+++ b/src/Cpu.cpp
@@ -48,7 +48,7 @@ CpuImpl::CpuImpl()
     , m_sockets(1)
     , m_totalCores(0)
     , m_totalThreads(0)
-    , m_asmOptimization(AsmOptimization::ASM_NONE)
+    , m_asmOptimization(AsmOptimization::ASM_OFF)
 {
 }
 
diff --git a/src/Options.cpp b/src/Options.cpp
index fa5d2a40..c73ddda9 100644
--- a/src/Options.cpp
+++ b/src/Options.cpp
@@ -73,9 +73,9 @@ Options:\n"
   -k, --keepalive                       send keepalived for prevent timeout (need pool support)\n\
   -r, --retries=N                       number of times to retry before switch to backup server (default: 5)\n\
   -R, --retry-pause=N                   time to pause between retries (default: 5)\n\
-      --pow-variant=V                   specificy the PoW variat to use: -> auto (default), 0 (v0), 1 (v1, aka cnv7), 2(v2, aka cnv8), ipbc (tube), alloy, xtl (including autodetect for v5)\n\
+      --pow-variant=V                   specificy the PoW variat to use: -> 'auto' (default), '0' (v0), '1' (v1, aka cnv7), '2' (v2, aka cnv8), 'ipbc' (tube), 'alloy', 'xtl' (including autodetect for v5)\n\
                                         for further help see: https://github.com/Bendr0id/xmrigCC/wiki/Coin-configurations\n\
-      --asm-optimization=V              specificy the ASM optimization to use: -> 'auto' (default), 'intel', 'ryzen', 'none' \n\
+      --asm-optimization=V              specificy the ASM optimization to use: -> 'auto' (default), 'intel', 'ryzen', 'off' \n\
       --multihash-factor=N              number of hash blocks to process at a time (don't set or 0 enables automatic selection of optimal number of hash blocks)\n\
       --multihash-thread-mask=MASK      limits multihash to given threads (mask), (default: all threads)\n\
       --cpu-affinity                    set process affinity to CPU core(s), mask 0x3 for cores 0 and 1\n\
@@ -298,7 +298,7 @@ constexpr static const char *asm_optimization_names[] = {
     "auto",
     "intel",
     "ryzen",
-    "none"
+    "off"
 };
 
 Options *Options::parse(int argc, char **argv)
@@ -1082,6 +1082,11 @@ bool Options::parseAsmOptimization(const char *asmOptimization)
             break;
         }
 
+        if (i == ARRAY_SIZE(asm_optimization_names) - 1 && (!strcmp(asmOptimization, "none") || !strcmp(asmOptimization, "0"))) {
+            m_asmOptimization = ASM_OFF;
+            break;
+        }
+
         if (i == ARRAY_SIZE(asm_optimization_names) - 1) {
             showUsage(1);
             return false;
diff --git a/src/Summary.cpp b/src/Summary.cpp
index c623d4a0..1c8de9e3 100644
--- a/src/Summary.cpp
+++ b/src/Summary.cpp
@@ -64,7 +64,7 @@ static void print_cpu()
                        Cpu::sockets(),
                        Cpu::isX64() ? "\x1B[01;32m" : "\x1B[01;31m-",
                        Cpu::hasAES() ? "\x1B[01;32m" : "\x1B[01;31m-",
-                       Options::i()->asmOptimization() != AsmOptimization::ASM_NONE ? "\x1B[01;32m" : "\x1B[01;31m",
+                       Options::i()->asmOptimization() != AsmOptimization::ASM_OFF ? "\x1B[01;32m" : "\x1B[01;31m",
                        getAsmOptimizationName(Options::i()->asmOptimization()).c_str());
 #       ifndef XMRIG_NO_LIBCPUID
         Log::i()->text("\x1B[01;32m * \x1B[01;37mCPU L2/L3:    %.1f MB/%.1f MB", Cpu::l2() / 1024.0, Cpu::l3() / 1024.0);
diff --git a/src/config.json b/src/config.json
index 760cf82a..68a48013 100644
--- a/src/config.json
+++ b/src/config.json
@@ -6,7 +6,7 @@
     "multihash-thread-mask" : null,             // for multihash-factors>0 only, limits multihash to given threads (mask), mask "0x3" means run multihash on thread 0 and 1 only (default: all threads)
     "pow-variant" : "auto",                     // specificy the PoW variat to use: -> auto (default), 0 (v0), 1 (v1, aka monerov7, aeonv7), 2 (v2, aka monerov8), tube (ipbc), alloy, xtl (including autodetect for v5), msr, xhv, rto
                                                 // for further help see: https://github.com/Bendr0id/xmrigCC/wiki/Coin-configurations
-    "asm-optimization" : "auto",                // specificy the ASM optimization to use: -> auto (default), intel, ryzen, none
+    "asm-optimization" : "auto",                // specificy the ASM optimization to use: -> auto (default), intel, ryzen, off
     "background": false,                        // true to run the miner in the background (Windows only, for *nix plase use screen/tmux or systemd service instead)
     "colors": true,                             // false to disable colored output
     "cpu-affinity": null,                       // set process affinity to CPU core(s), mask "0x3" for cores 0 and 1
diff --git a/src/default_config.json b/src/default_config.json
index ec5fcecb..68a48013 100644
--- a/src/default_config.json
+++ b/src/default_config.json
@@ -5,8 +5,8 @@
     "multihash-factor": 0,                      // number of hash blocks to process at a time (not set or 0 enables automatic selection of optimal number of hash blocks)
     "multihash-thread-mask" : null,             // for multihash-factors>0 only, limits multihash to given threads (mask), mask "0x3" means run multihash on thread 0 and 1 only (default: all threads)
     "pow-variant" : "auto",                     // specificy the PoW variat to use: -> auto (default), 0 (v0), 1 (v1, aka monerov7, aeonv7), 2 (v2, aka monerov8), tube (ipbc), alloy, xtl (including autodetect for v5), msr, xhv, rto
-    // for further help see: https://github.com/Bendr0id/xmrigCC/wiki/Coin-configurations
-    "asm-optimization" : "auto",                // specificy the ASM optimization to use: -> auto (default), intel, ryzen, none
+                                                // for further help see: https://github.com/Bendr0id/xmrigCC/wiki/Coin-configurations
+    "asm-optimization" : "auto",                // specificy the ASM optimization to use: -> auto (default), intel, ryzen, off
     "background": false,                        // true to run the miner in the background (Windows only, for *nix plase use screen/tmux or systemd service instead)
     "colors": true,                             // false to disable colored output
     "cpu-affinity": null,                       // set process affinity to CPU core(s), mask "0x3" for cores 0 and 1