diff --git a/src/core/cpu_patches.cpp b/src/core/cpu_patches.cpp
index d09d960f8..8c0897a48 100644
--- a/src/core/cpu_patches.cpp
+++ b/src/core/cpu_patches.cpp
@@ -753,7 +753,8 @@ static bool PatchesIllegalInstructionHandler(void* context) {
             ZydisDecodedOperand operands[ZYDIS_MAX_OPERAND_COUNT];
             const auto status =
                 Common::Decoder::Instance()->decodeInstruction(instruction, operands, code_address);
-            if (ZYAN_SUCCESS(status) && instruction.mnemonic == ZydisMnemonic::ZYDIS_MNEMONIC_UD2) {
+            if (ZYAN_SUCCESS(status) && instruction.mnemonic == ZydisMnemonic::ZYDIS_MNEMONIC_UD2)
+                [[unlikely]] {
                 UNREACHABLE_MSG("ud2 at code address {:#x}", (u64)code_address);
             }
             LOG_ERROR(Core, "Failed to patch address {:x} -- mnemonic: {}", (u64)code_address,