diff --git a/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.c b/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.c
index 38f9682229..83372e86d4 100644
--- a/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.c
+++ b/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.c
@@ -418,7 +418,7 @@ CreateDeviceNode (
     return NULL;
   }
  
-  DevicePath = AllocatePool (NodeLength);
+  DevicePath = AllocateZeroPool (NodeLength);
   if (DevicePath != NULL) {
      DevicePath->Type    = NodeType;
      DevicePath->SubType = NodeSubType;