diff --git a/MdePkg/MdePkg.dsc b/MdePkg/MdePkg.dsc
index 9ca57b8..cd7962d 100644
--- a/MdePkg/MdePkg.dsc
+++ b/MdePkg/MdePkg.dsc
@@ -59,6 +59,7 @@
   MdePkg/Library/BaseCpuLib/BaseCpuLib.inf
   MdePkg/Library/BaseDebugLibNull/BaseDebugLibNull.inf
   MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf
+  MdePkg/Library/BaseDebugPrintErrorLevelLib/BaseDebugPrintErrorLevelLib.inf
   MdePkg/Library/BaseLib/BaseLib.inf
   MdePkg/Library/BaseMemoryLib/BaseMemoryLib.inf
   MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf