diff --git a/EdkCompatibilityPkg/Compatibility/DeviceIoToPciRootBridgeIoThunk/DeviceIoToPciRootBridgeIoThunk.c b/EdkCompatibilityPkg/Compatibility/DeviceIoToPciRootBridgeIoThunk/DeviceIoToPciRootBridgeIoThunk.c
index db8b72ed44..b60893f04b 100644
--- a/EdkCompatibilityPkg/Compatibility/DeviceIoToPciRootBridgeIoThunk/DeviceIoToPciRootBridgeIoThunk.c
+++ b/EdkCompatibilityPkg/Compatibility/DeviceIoToPciRootBridgeIoThunk/DeviceIoToPciRootBridgeIoThunk.c
@@ -457,6 +457,8 @@ PciRootBridgeIoNotificationEvent (
       continue;
     }
 
+    Private->PciRootBridgeIo = PciRootBridgeIo;
+
     Status = gBS->HandleProtocol (
                     Handle,
                     &gEfiDevicePathProtocolGuid,