diff --git a/shared-core/i915_drm.h b/shared-core/i915_drm.h
index de463614..97e77428 100644
--- a/shared-core/i915_drm.h
+++ b/shared-core/i915_drm.h
@@ -379,6 +379,7 @@ struct drm_i915_op_arg {
 	uint64_t next;
 	uint64_t reloc_ptr;
 	int handled;
+	unsigned int pad64;
 	union {
 		struct drm_bo_op_req req;
 		struct drm_bo_arg_rep rep;