diff --git a/ArmVirtPkg/Library/QemuVirtMemInfoLib/QemuVirtMemInfoLib.c b/ArmVirtPkg/Library/QemuVirtMemInfoLib/QemuVirtMemInfoLib.c
index 23bd0fe68e..62fa62e5f0 100644
--- a/ArmVirtPkg/Library/QemuVirtMemInfoLib/QemuVirtMemInfoLib.c
+++ b/ArmVirtPkg/Library/QemuVirtMemInfoLib/QemuVirtMemInfoLib.c
@@ -115,7 +115,7 @@ ArmVirtGetMemoryMap (
   VirtualMemoryTable[2].PhysicalBase = PcdGet64 (PcdFvBaseAddress);
   VirtualMemoryTable[2].VirtualBase  = VirtualMemoryTable[2].PhysicalBase;
   VirtualMemoryTable[2].Length       = FixedPcdGet32 (PcdFvSize);
-  VirtualMemoryTable[2].Attributes   = ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK;
+  VirtualMemoryTable[2].Attributes   = ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK_RO;
 
   // End of Table
   ZeroMem (&VirtualMemoryTable[3], sizeof (ARM_MEMORY_REGION_DESCRIPTOR));