diff --git a/src/core/address_space.cpp b/src/core/address_space.cpp
index 20438e534..4318a0c14 100644
--- a/src/core/address_space.cpp
+++ b/src/core/address_space.cpp
@@ -695,7 +695,7 @@ struct AddressSpace::Impl {
                  fmt::ptr(user_base + user_size - 1));
 
         const VAddr system_managed_addr = reinterpret_cast<VAddr>(system_managed_base);
-        const VAddr system_reserved_addr = reinterpret_cast<VAddr>(system_managed_base);
+        const VAddr system_reserved_addr = reinterpret_cast<VAddr>(system_reserved_base);
         const VAddr user_addr = reinterpret_cast<VAddr>(user_base);
         m_free_regions.insert({system_managed_addr, system_managed_addr + system_managed_size});
         m_free_regions.insert({system_reserved_addr, system_reserved_addr + system_reserved_size});