diff --git a/crypto/stark/src/prover.rs b/crypto/stark/src/prover.rs
index 5078ce290..faf512a72 100644
--- a/crypto/stark/src/prover.rs
+++ b/crypto/stark/src/prover.rs
@@ -2283,11 +2283,11 @@ pub trait IsStarkProver<
         // grinding: generate nonce and append it to the transcript
         #[cfg(feature = "instruments")]
         let t_sub = Instant::now();
-        let security_bits = air.context().proof_options.grinding_factor;
+        let grinding_factor = air.context().proof_options.grinding_factor;
         let mut nonce = None;
-        if security_bits > 0 {
+        if grinding_factor > 0 {
             let nonce_value =
-                grinding::generate_nonce_maybe_gpu(&transcript.state(), security_bits)
+                grinding::generate_nonce_maybe_gpu(&transcript.state(), grinding_factor)
                     .expect("nonce not found");
             transcript.append_bytes(&nonce_value.to_be_bytes());
             nonce = Some(nonce_value);
diff --git a/crypto/stark/src/verifier.rs b/crypto/stark/src/verifier.rs
index ca6f15152..44add9c21 100644
--- a/crypto/stark/src/verifier.rs
+++ b/crypto/stark/src/verifier.rs
@@ -1579,9 +1579,9 @@ pub trait IsStarkVerifier<
         }
 
         // Receive grinding value
-        let security_bits = air.context().proof_options.grinding_factor;
+        let grinding_factor = air.context().proof_options.grinding_factor;
         let mut grinding_seed = [0u8; 32];
-        if security_bits > 0
+        if grinding_factor > 0
             && let Some(nonce_value) = proof.nonce()
         {
             grinding_seed = transcript.state();
@@ -1662,10 +1662,10 @@ pub trait IsStarkVerifier<
         );
 
         // verify grinding
-        let security_bits = air.context().proof_options.grinding_factor;
-        if security_bits > 0 {
+        let grinding_factor = air.context().proof_options.grinding_factor;
+        if grinding_factor > 0 {
             let nonce_is_valid = proof.nonce().is_some_and(|nonce_value| {
-                grinding::is_valid_nonce(&challenges.grinding_seed, nonce_value, security_bits)
+                grinding::is_valid_nonce(&challenges.grinding_seed, nonce_value, grinding_factor)
             });
 
             if !nonce_is_valid {