diff --git a/MdeModulePkg/Library/DeviceManagerUiLib/DeviceManager.c b/MdeModulePkg/Library/DeviceManagerUiLib/DeviceManager.c
index 5098b70e97..23ae6c5392 100644
--- a/MdeModulePkg/Library/DeviceManagerUiLib/DeviceManager.c
+++ b/MdeModulePkg/Library/DeviceManagerUiLib/DeviceManager.c
@@ -540,12 +540,15 @@ CreateDeviceManagerForm(
   // Update the network device form titile.
   //
   if (NextShowFormId == NETWORK_DEVICE_FORM_ID) {
-    String = HiiGetString (HiiHandle, STRING_TOKEN (STR_FORM_NETWORK_DEVICE_TITLE), NULL);
-    NewStringLen = StrLen(mSelectedMacAddrString) * 2;
-    NewStringLen += (StrLen(String) + 2) * 2;
+    String = HiiGetString (HiiHandle, STRING_TOKEN (STR_FORM_NETWORK_DEVICE_TITLE_HEAD), NULL);
+    if (String == NULL) {
+      return;
+    }
+    NewStringLen = StrLen (mSelectedMacAddrString) * 2;
+    NewStringLen += (StrLen (String) + 2) * 2;
     NewStringTitle = AllocatePool (NewStringLen);
     UnicodeSPrint (NewStringTitle, NewStringLen, L"%s %s", String, mSelectedMacAddrString);
-    HiiSetString (HiiHandle, STRING_TOKEN (STR_FORM_NETWORK_DEVICE_TITLE), NewStringTitle, NULL);    
+    HiiSetString (HiiHandle, STRING_TOKEN (STR_FORM_NETWORK_DEVICE_TITLE), NewStringTitle, NULL);
     FreePool (String);
     FreePool (NewStringTitle);
   }
diff --git a/MdeModulePkg/Library/DeviceManagerUiLib/DeviceManagerStrings.uni b/MdeModulePkg/Library/DeviceManagerUiLib/DeviceManagerStrings.uni
index 061e4be434..55d03d6239 100644
--- a/MdeModulePkg/Library/DeviceManagerUiLib/DeviceManagerStrings.uni
+++ b/MdeModulePkg/Library/DeviceManagerUiLib/DeviceManagerStrings.uni
@@ -2,7 +2,7 @@
 //
 //  String definitions for the Device Manager.
 //
-//  Copyright (c) 2004 - 2015, Intel Corporation. All rights reserved.<BR>
+//  Copyright (c) 2004 - 2017, Intel Corporation. All rights reserved.<BR>
 //  This program and the accompanying materials
 //  are licensed and made available under the terms and conditions of the BSD License
 //  which accompanies this distribution.  The full text of the license may be found at
@@ -42,7 +42,8 @@
                                        #language fr-FR  ""
 #string STR_EXIT_STRING                #language en-US  "Press ESC to exit."
                                        #language fr-FR  "Press ESC to exit."
-#string STR_FORM_NETWORK_DEVICE_TITLE  #language en-US  "Network Device"
+#string STR_FORM_NETWORK_DEVICE_TITLE_HEAD  #language en-US  "Network Device"
+#string STR_FORM_NETWORK_DEVICE_TITLE       #language en-US  "Network Device"
                                        #language fr-FR  "Network Device"
 #string STR_FORM_NETWORK_DEVICE_HELP   #language en-US  "Network Device Help..."
                                        #language fr-FR  "Network Device Help..."