diff --git a/client/src/cmdhfmf.c b/client/src/cmdhfmf.c
index ba017676c..8f54b1db8 100644
--- a/client/src/cmdhfmf.c
+++ b/client/src/cmdhfmf.c
@@ -163,11 +163,17 @@ static int usage_hf14_hardnested(void) {
     PrintAndLogEx(NORMAL, "      f <name>  read/write <name> instead of default name");
     PrintAndLogEx(NORMAL, "      t         tests?");
     PrintAndLogEx(NORMAL, "      i <X>     set type of SIMD instructions. Without this flag programs autodetect it.");
+#if defined (__i386__) || defined (__x86_64__)
+#if !defined(__APPLE__) || (defined(__APPLE__) && (__clang_major__ > 8 || __clang_major__ == 8 && __clang_minor__ >= 1))
+#if (__GNUC__ >= 5) && (__GNUC__ > 5 || __GNUC_MINOR__ > 2)
     PrintAndLogEx(NORMAL, "        i 5   = AVX512");
+#endif
     PrintAndLogEx(NORMAL, "        i 2   = AVX2");
     PrintAndLogEx(NORMAL, "        i a   = AVX");
     PrintAndLogEx(NORMAL, "        i s   = SSE2");
     PrintAndLogEx(NORMAL, "        i m   = MMX");
+#endif
+#endif
     PrintAndLogEx(NORMAL, "        i n   = none (use CPU regular instruction set)");
     PrintAndLogEx(NORMAL, "");
     PrintAndLogEx(NORMAL, "Examples:");
@@ -1805,9 +1811,13 @@ static int CmdHF14AMfNestedHard(const char *Cmd) {
                 SetSIMDInstr(SIMD_AUTO);
                 ctmp = tolower(param_getchar(Cmd, cmdp + 1));
                 switch (ctmp) {
+#if defined (__i386__) || defined (__x86_64__)
+#if !defined(__APPLE__) || (defined(__APPLE__) && (__clang_major__ > 8 || __clang_major__ == 8 && __clang_minor__ >= 1))
+#if (__GNUC__ >= 5) && (__GNUC__ > 5 || __GNUC_MINOR__ > 2)
                     case '5':
                         SetSIMDInstr(SIMD_AVX512);
                         break;
+#endif
                     case '2':
                         SetSIMDInstr(SIMD_AVX2);
                         break;
@@ -1820,6 +1830,8 @@ static int CmdHF14AMfNestedHard(const char *Cmd) {
                     case 'm':
                         SetSIMDInstr(SIMD_MMX);
                         break;
+#endif
+#endif
                     case 'n':
                         SetSIMDInstr(SIMD_NONE);
                         break;