diff --git a/MdeModulePkg/Universal/SerialDxe/SerialDxe.inf b/MdeModulePkg/Universal/SerialDxe/SerialDxe.inf
index 145101b708..164060ba88 100644
--- a/MdeModulePkg/Universal/SerialDxe/SerialDxe.inf
+++ b/MdeModulePkg/Universal/SerialDxe/SerialDxe.inf
@@ -16,6 +16,7 @@
 [Defines]
   INF_VERSION                    = 0x00010005
   BASE_NAME                      = SerialDxe
+  MODULE_UNI_FILE                = SerialDxe.uni
   FILE_GUID                      = D3987D4B-971A-435F-8CAF-4967EB627241
   MODULE_TYPE                    = DXE_DRIVER
   VERSION_STRING                 = 1.0
@@ -47,3 +48,6 @@
 
 [Depex]
   TRUE
+
+[UserExtensions.TianoCore."ExtraFiles"]
+  SerialDxeExtra.uni