diff --git a/Source/Tools/CommonTools/HarnessHelpers.h b/Source/Tools/CommonTools/HarnessHelpers.h
index d2d30343b6..7c110c128f 100644
--- a/Source/Tools/CommonTools/HarnessHelpers.h
+++ b/Source/Tools/CommonTools/HarnessHelpers.h
@@ -125,7 +125,7 @@ namespace FEX::HarnessHelper {
       }
 
       if (BaseConfig.OptionRegDataCount > 0) {
-        static constexpr std::array<uint64_t, 44> OffsetArrayAVX = {{
+        static constexpr std::array<uint64_t, 43> OffsetArrayAVX = {{
           offsetof(FEXCore::Core::CPUState, rip),
           offsetof(FEXCore::Core::CPUState, gregs[FEXCore::X86State::REG_RAX]),
           offsetof(FEXCore::Core::CPUState, gregs[FEXCore::X86State::REG_RBX]),
@@ -170,7 +170,7 @@ namespace FEX::HarnessHelper {
           offsetof(FEXCore::Core::CPUState, mm[6][0]),
           offsetof(FEXCore::Core::CPUState, mm[7][0]),
         }};
-        static constexpr std::array<uint64_t, 44> OffsetArraySSE = {{
+        static constexpr std::array<uint64_t, 43> OffsetArraySSE = {{
           offsetof(FEXCore::Core::CPUState, rip),
           offsetof(FEXCore::Core::CPUState, gregs[FEXCore::X86State::REG_RAX]),
           offsetof(FEXCore::Core::CPUState, gregs[FEXCore::X86State::REG_RBX]),