diff --git a/libexosphere/include/exosphere/secmon/secmon_memory_layout.hpp b/libexosphere/include/exosphere/secmon/secmon_memory_layout.hpp
index 196c1f87..a1208ede 100644
--- a/libexosphere/include/exosphere/secmon/secmon_memory_layout.hpp
+++ b/libexosphere/include/exosphere/secmon/secmon_memory_layout.hpp
@@ -199,6 +199,9 @@ namespace ams::secmon {
     constexpr inline const MemoryRegion MemoryRegionPhysicalTzramMarikoProgram(UINT64_C(0x7C020000), 0x20000);
     static_assert(MemoryRegionPhysicalTzramMariko.Contains(MemoryRegionPhysicalTzramMarikoProgram));
 
+    constexpr inline const MemoryRegion MemoryRegionPhysicalMarikoProgramImage(UINT64_C(0x80020000), 0x20000);
+    static_assert(MemoryRegionDram.Contains(MemoryRegionPhysicalMarikoProgramImage));
+
     constexpr inline const MemoryRegion MemoryRegionVirtualTzramProgramMain(UINT64_C(0x1F00C0800), 0xB800);
     static_assert(MemoryRegionVirtualTzramProgram.Contains(MemoryRegionVirtualTzramProgramMain));