diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h
index 6099b2a296f..6d0671f5422 100644
--- a/include/GL/internal/dri_interface.h
+++ b/include/GL/internal/dri_interface.h
@@ -1211,6 +1211,7 @@ struct __DRIdri2ExtensionRec {
 #define __DRI_IMAGE_FORMAT_ABGR16161616F 0x1015
 #define __DRI_IMAGE_FORMAT_SXRGB8       0x1016
 #define __DRI_IMAGE_FORMAT_ABGR16161616 0x1017
+#define __DRI_IMAGE_FORMAT_XBGR16161616 0x1018
 
 #define __DRI_IMAGE_USE_SHARE		0x0001
 #define __DRI_IMAGE_USE_SCANOUT		0x0002