Index: head/stand/efi/include/efidevp.h
===================================================================
--- head/stand/efi/include/efidevp.h
+++ head/stand/efi/include/efidevp.h
@@ -31,6 +31,8 @@
 // Device Path structures - Section C
 //
 
+#pragma pack(1)
+
 typedef struct _EFI_DEVICE_PATH {
         UINT8                           Type;
         UINT8                           SubType;
@@ -450,5 +452,7 @@
 	EFI_DEVICE_PATH_TO_TEXT_NODE ConvertDeviceNodeToText;
 	EFI_DEVICE_PATH_TO_TEXT_PATH ConvertDevicePathToText;
 } EFI_DEVICE_PATH_TO_TEXT_PROTOCOL;
+
+#pragma pack()
 
 #endif