diff --git a/MdePkg/Library/UefiRuntimeLib/RuntimeLib.c b/MdePkg/Library/UefiRuntimeLib/RuntimeLib.c
index 1fe7c1f620..818cd66e4a 100644
--- a/MdePkg/Library/UefiRuntimeLib/RuntimeLib.c
+++ b/MdePkg/Library/UefiRuntimeLib/RuntimeLib.c
@@ -12,7 +12,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 
 **/
 
-#include <RuntimeLibInternal.h>
+#include "RuntimeLibInternal.h"
 
 ///
 /// Driver Lib Module Globals
diff --git a/MdePkg/Library/UefiUsbLib/Hid.c b/MdePkg/Library/UefiUsbLib/Hid.c
index ad2c158401..0e9be35206 100644
--- a/MdePkg/Library/UefiUsbLib/Hid.c
+++ b/MdePkg/Library/UefiUsbLib/Hid.c
@@ -14,7 +14,7 @@
 
 **/
 
-#include <UefiUsbLibInternal.h>
+#include "UefiUsbLibInternal.h"
 
 //  
 //  Hid RequestType Bits specifying characteristics of request.
diff --git a/MdePkg/Library/UefiUsbLib/UsbDxeLib.c b/MdePkg/Library/UefiUsbLib/UsbDxeLib.c
index 96466c75ef..18fe37c381 100644
--- a/MdePkg/Library/UefiUsbLib/UsbDxeLib.c
+++ b/MdePkg/Library/UefiUsbLib/UsbDxeLib.c
@@ -15,7 +15,7 @@
 
 **/
 
-#include <UefiUsbLibInternal.h>
+#include "UefiUsbLibInternal.h"
 
 
 /**