diff --git a/backends/concrete-cpu/Cargo.toml b/backends/concrete-cpu/Cargo.toml
index 887565b99..373d89fb3 100644
--- a/backends/concrete-cpu/Cargo.toml
+++ b/backends/concrete-cpu/Cargo.toml
@@ -39,6 +39,8 @@ std = [
 csprng = ["concrete-csprng"]
 parallel = ["rayon"]
 nightly = ["pulp/nightly"]
+x86_64 = ["concrete-csprng/generator_x86_64_aesni"]
+aarch64 = ["concrete-csprng/generator_aarch64_aes"]
 
 [build-dependencies]
 cbindgen = "0.24"
diff --git a/backends/concrete-cpu/src/c_api/csprng.rs b/backends/concrete-cpu/src/c_api/csprng.rs
index 1f4add847..7dda82c3e 100644
--- a/backends/concrete-cpu/src/c_api/csprng.rs
+++ b/backends/concrete-cpu/src/c_api/csprng.rs
@@ -1,12 +1,16 @@
 use std::io::Read;
 
 use super::types::{Csprng, CsprngVtable, Uint128};
-use concrete_csprng::generators::{RandomGenerator, SoftwareRandomGenerator};
+#[cfg(feature = "x86_64")]
+use concrete_csprng::generators::AesniRandomGenerator as Generator;
+#[cfg(feature = "aarch64")]
+use concrete_csprng::generators::NeonAesRandomGenerator as Generator;
+use concrete_csprng::generators::RandomGenerator;
+#[cfg(all(not(feature = "aarch64"), not(feature = "x86_64")))]
+use concrete_csprng::generators::SoftwareRandomGenerator as Generator;
 use concrete_csprng::seeders::Seed;
 use libc::c_int;
 
-type Generator = SoftwareRandomGenerator;
-
 #[no_mangle]
 pub static CONCRETE_CSPRNG_VTABLE: CsprngVtable = CsprngVtable {
     remaining_bytes: {