diff --git a/FEXCore/Source/Utils/ArchHelpers/Arm64.cpp b/FEXCore/Source/Utils/ArchHelpers/Arm64.cpp
index 526760fd1..4c1415cb8 100644
--- a/FEXCore/Source/Utils/ArchHelpers/Arm64.cpp
+++ b/FEXCore/Source/Utils/ArchHelpers/Arm64.cpp
@@ -46,7 +46,7 @@ constexpr uint32_t LDSTREGISTER_MASK = 0b0011'1011'0010'0000'0000'1100'0000'0000
 constexpr uint32_t LDR_INST = 0b0011'1000'0111'1111'0110'1000'0000'0000;
 constexpr uint32_t STR_INST = 0b0011'1000'0011'1111'0110'1000'0000'0000;
 
-constexpr uint32_t LDSTUNSCALED_MASK = 0b0011'1011'0010'0000'0000'1100'0000'0000;
+constexpr uint32_t LDSTUNSCALED_MASK = 0b0011'1011'1110'0000'0000'1100'0000'0000;
 constexpr uint32_t LDUR_INST = 0b0011'1000'0100'0000'0000'0000'0000'0000;
 constexpr uint32_t STUR_INST = 0b0011'1000'0000'0000'0000'0000'0000'0000;