diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 3a03c1d..c9b6234 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -274,7 +274,7 @@
 	u32			hw_ver;
 	int			max_qp;
 	int			max_qp_wr;
-	int			device_cap_flags;
+	u64			device_cap_flags;
 	int			max_sge;
 	int			max_sge_rd;
 	int			max_cq;