diff --git a/src/backends/unicorn-emulator/unicorn_x86_64_emulator.cpp b/src/backends/unicorn-emulator/unicorn_x86_64_emulator.cpp
index 87db9a92..d8a4185c 100644
--- a/src/backends/unicorn-emulator/unicorn_x86_64_emulator.cpp
+++ b/src/backends/unicorn-emulator/unicorn_x86_64_emulator.cpp
@@ -244,8 +244,11 @@ namespace unicorn
 
             void load_gdt(const pointer_type address, const uint32_t limit) override
             {
-                const std::array<uint64_t, 4> gdtr = {0, address, limit, 0};
-                this->write_register(x86_register::gdtr, gdtr.data(), gdtr.size() * sizeof(uint64_t));
+                uc_x86_mmr gdt{};
+                gdt.base = address;
+                gdt.limit = limit;
+
+                this->write_register(x86_register::gdtr, &gdt, sizeof(gdt));
             }
 
             void set_segment_base(const x86_register base, const pointer_type value) override