diff --git a/triton-vm/src/shared_tests.rs b/triton-vm/src/shared_tests.rs
index 6cf06580b..37eeb15f4 100644
--- a/triton-vm/src/shared_tests.rs
+++ b/triton-vm/src/shared_tests.rs
@@ -71,7 +71,7 @@ pub fn parse_simulate_prove(
     };
     let log_expansion_factor = 2;
     let security_level = 32;
-    let parameters = StarkParameters::new(security_level, 1 << log_expansion_factor);
+    let parameters = StarkParameters::new(security_level, log_expansion_factor);
     let stark = Stark::new(claim, parameters);
 
     prof_start!(maybe_profiler, "prove");
diff --git a/triton-vm/src/stark.rs b/triton-vm/src/stark.rs
index 3df3736fd..fd9083f13 100644
--- a/triton-vm/src/stark.rs
+++ b/triton-vm/src/stark.rs
@@ -950,7 +950,7 @@ pub(crate) mod triton_stark_tests {
         };
         let log_expansion_factor = 2;
         let security_level = 32;
-        let parameters = StarkParameters::new(security_level, 1 << log_expansion_factor);
+        let parameters = StarkParameters::new(security_level, log_expansion_factor);
         let stark = Stark::new(claim, parameters);
 
         let mut master_base_table = MasterBaseTable::new(