diff --git a/flake.nix b/flake.nix
index eac2033..ffce034 100644
--- a/flake.nix
+++ b/flake.nix
@@ -29,8 +29,8 @@
         modules = modules ++ [
           {
             nixpkgs.crossSystem = {
-              gcc.arch = "rv64gv";
-              gcc.tune = "rv64gv";
+              gcc.arch = "rv64g";
+              gcc.tune = "rv64g";
               system = "riscv64-linux";
             };
           }