diff --git a/lib/lmb.c b/lib/lmb.c
index f257176e507..5ab080a30a9 100644
--- a/lib/lmb.c
+++ b/lib/lmb.c
@@ -201,7 +201,7 @@ static long lmb_add_region_flags(struct alist *lmb_rgn_lst, phys_addr_t base,
 	for (i = 0; i < lmb_rgn_lst->count; i++) {
 		phys_addr_t rgnbase = rgn[i].base;
 		phys_size_t rgnsize = rgn[i].size;
-		phys_size_t rgnflags = rgn[i].flags;
+		enum lmb_flags rgnflags = rgn[i].flags;
 
 		ret = lmb_addrs_adjacent(base, size, rgnbase, rgnsize);
 		if (ret > 0) {