diff --git a/src/lib.rs b/src/lib.rs
index 229c89d..0cd1876 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -138,7 +138,9 @@ use reference::*;
 
 #[cfg(any(not(target_arch = "x86_64"), not(feature = "avx2")))]
 #[cfg(feature = "hazmat")]
-pub use reference::indcpa;
+pub use reference::indcpa::{
+    self, KYBER_INDCPA_BYTES, KYBER_INDCPA_PUBLICKEYBYTES, KYBER_INDCPA_SECRETKEYBYTES,
+};
 
 #[cfg(feature = "wasm")]
 mod wasm;
diff --git a/src/reference/indcpa.rs b/src/reference/indcpa.rs
index d9a436c..f8de37a 100644
--- a/src/reference/indcpa.rs
+++ b/src/reference/indcpa.rs
@@ -1,6 +1,11 @@
 use crate::rng::randombytes;
 use crate::{params::*, poly::*, polyvec::*, symmetric::*, CryptoRng, KyberError, RngCore};
 
+#[cfg(feature = "hazmat")]
+pub use crate::params::{
+    KYBER_INDCPA_BYTES, KYBER_INDCPA_PUBLICKEYBYTES, KYBER_INDCPA_SECRETKEYBYTES,
+};
+
 /// Name:  pack_pk
 ///
 /// Description: Serialize the public key as concatenation of the