diff --git a/bfd/elfxx-riscv.c b/bfd/elfxx-riscv.c
index dd75817b1bd3..bd6473d33c26 100644
--- a/bfd/elfxx-riscv.c
+++ b/bfd/elfxx-riscv.c
@@ -1097,8 +1097,10 @@ static struct riscv_implicit_subset riscv_implicit_subsets[] =
   {"zks", "zbkx",	check_implicit_always},
   {"zks", "zksed",	check_implicit_always},
   {"zks", "zksh",	check_implicit_always},
+  {"smaia", "ssaia",		check_implicit_always},
   {"smepmp", "zicsr",		check_implicit_always},
   {"smstateen", "zicsr",	check_implicit_always},
+  {"ssaia", "zicsr",		check_implicit_always},
   {"sscofpmf", "zicsr",		check_implicit_always},
   {"sstc", "zicsr",		check_implicit_always},
   {NULL, NULL, NULL}