diff --git a/ArmVirtPkg/Library/FdtPciHostBridgeLib/FdtPciHostBridgeLib.c b/ArmVirtPkg/Library/FdtPciHostBridgeLib/FdtPciHostBridgeLib.c
index bb3742386c..5b9c887db3 100644
--- a/ArmVirtPkg/Library/FdtPciHostBridgeLib/FdtPciHostBridgeLib.c
+++ b/ArmVirtPkg/Library/FdtPciHostBridgeLib/FdtPciHostBridgeLib.c
@@ -317,7 +317,7 @@ PciHostBridgeGetRootBridges (
                                       EFI_PCI_ATTRIBUTE_VGA_PALETTE_IO_16;
   mRootBridge.Attributes            = mRootBridge.Supports;
 
-  mRootBridge.DmaAbove4G            = FALSE;
+  mRootBridge.DmaAbove4G            = TRUE;
   mRootBridge.NoExtendedConfigSpace = FALSE;
   mRootBridge.ResourceAssigned      = FALSE;