diff --git a/src/include/ipxe/efi/Protocol/UgaDraw.h b/src/include/ipxe/efi/Protocol/UgaDraw.h
index c268bd2d2..94aa9b4a4 100644
--- a/src/include/ipxe/efi/Protocol/UgaDraw.h
+++ b/src/include/ipxe/efi/Protocol/UgaDraw.h
@@ -1,3 +1,6 @@
+#ifndef _IPXE_EFI_UGADRAW_H
+#define _IPXE_EFI_UGADRAW_H
+
 /** @file
   UGA Draw protocol from the EFI 1.10 specification.
 
@@ -159,3 +162,5 @@ struct _EFI_UGA_DRAW_PROTOCOL {
 extern EFI_GUID  gEfiUgaDrawProtocolGuid;
 
 #endif
+
+#endif /* _IPXE_EFI_UGADRAW_H */