diff --git a/archinfo/arch_aarch64.py b/archinfo/arch_aarch64.py
index d363527..6b4d431 100644
--- a/archinfo/arch_aarch64.py
+++ b/archinfo/arch_aarch64.py
@@ -22,6 +22,10 @@
 class ArchAArch64(Arch):
     def __init__(self, endness=Endness.LE):
         super().__init__(endness)
+        if _unicorn is not None:
+            unicorn_sp = _unicorn.arm64_const.UC_ARM64_REG_SP
+            self.uc_regs["xsp"] = unicorn_sp
+            self.vex_to_unicorn_map[self.sp_offset] = (unicorn_sp, self.bytes)
         if endness == Endness.BE:
             self.pcode_id = "AARCH64:BE:64:v8A"
             self.ida_processor = "armb"
diff --git a/tests/test_aarch64.py b/tests/test_aarch64.py
new file mode 100644
index 0000000..2c08c6b
--- /dev/null
+++ b/tests/test_aarch64.py
@@ -0,0 +1,14 @@
+from __future__ import annotations
+
+import pytest
+
+from archinfo import ArchAArch64
+
+
+def test_unicorn_stack_pointer_mapping():
+    unicorn = pytest.importorskip("unicorn")
+    arch = ArchAArch64()
+    unicorn_sp = unicorn.arm64_const.UC_ARM64_REG_SP
+
+    assert arch.uc_regs["xsp"] == unicorn_sp
+    assert arch.vex_to_unicorn_map[arch.sp_offset] == (unicorn_sp, arch.bytes)