diff --git a/sdk/xtdk/xtstruct.h b/sdk/xtdk/xtstruct.h
index 17609e5..fbba7da 100644
--- a/sdk/xtdk/xtstruct.h
+++ b/sdk/xtdk/xtstruct.h
@@ -156,6 +156,7 @@ typedef struct _LIST_ENTRY64 LIST_ENTRY64, *PLIST_ENTRY64;
 typedef struct _LOADER_INFORMATION_BLOCK LOADER_INFORMATION_BLOCK, *PLOADER_INFORMATION_BLOCK;
 typedef struct _LOADER_MEMORY_MAPPING LOADER_MEMORY_MAPPING, *PLOADER_MEMORY_MAPPING;
 typedef struct _PCAT_FIRMWARE_INFORMATION PCAT_FIRMWARE_INFORMATION, *PPCAT_FIRMWARE_INFORMATION;
+typedef struct _PCI_COMMON_HEADER PCI_COMMON_HEADER, *PPCI_COMMON_HEADER;
 typedef struct _PECOFF_IMAGE_BASE_RELOCATION PECOFF_IMAGE_BASE_RELOCATION, *PPECOFF_IMAGE_BASE_RELOCATION;
 typedef struct _PECOFF_IMAGE_DATA PECOFF_IMAGE_DATA, *PPECOFF_IMAGE_DATA;
 typedef struct _PECOFF_IMAGE_DATA_DIRECTORY PECOFF_IMAGE_DATA_DIRECTORY, *PPECOFF_IMAGE_DATA_DIRECTORY;