diff --git a/tools/process_headers.zig b/tools/process_headers.zig
index 7bed1a91c7..81333db1f1 100644
--- a/tools/process_headers.zig
+++ b/tools/process_headers.zig
@@ -160,12 +160,12 @@ const glibc_targets = [_]LibCTarget{
         .abi = MultiAbi{ .specific = Abi.gnueabi },
     },
     LibCTarget{
-        .name = "riscv32-linux-gnu-rv32imac-ilp32",
+        .name = "riscv32-linux-gnu-rv32imafdc-ilp32d",
         .arch = MultiArch{ .specific = Arch.riscv32 },
         .abi = MultiAbi{ .specific = Abi.gnu },
     },
     LibCTarget{
-        .name = "riscv64-linux-gnu-rv64imac-lp64",
+        .name = "riscv64-linux-gnu-rv64imafdc-lp64d",
         .arch = MultiArch{ .specific = Arch.riscv64 },
         .abi = MultiAbi{ .specific = Abi.gnu },
     },