diff --git a/src/commit_evaluator/affine_expression.rs b/src/commit_evaluator/affine_expression.rs
index 886f90541..830feb836 100644
--- a/src/commit_evaluator/affine_expression.rs
+++ b/src/commit_evaluator/affine_expression.rs
@@ -29,7 +29,7 @@ impl From<u32> for AffineExpression {
 }
 
 impl AffineExpression {
-    pub fn from_wittness_poly_value(poly_id: usize) -> AffineExpression {
+    pub fn from_witness_poly_value(poly_id: usize) -> AffineExpression {
         AffineExpression {
             coefficients: [vec![0.into(); poly_id], vec![1.into()]].concat(),
             offset: 0.into(),
diff --git a/src/commit_evaluator/evaluator.rs b/src/commit_evaluator/evaluator.rs
index af302ee14..49406a65a 100644
--- a/src/commit_evaluator/evaluator.rs
+++ b/src/commit_evaluator/evaluator.rs
@@ -173,7 +173,7 @@ where
             .map(|(i, v)| {
                 format!(
                     "{} = {}",
-                    AffineExpression::from_wittness_poly_value(i).format(self.fixed_data),
+                    AffineExpression::from_witness_poly_value(i).format(self.fixed_data),
                     v.as_ref()
                         .map(format_number)
                         .unwrap_or("<unknown>".to_string())
@@ -360,7 +360,7 @@ impl<'a> SymbolicVariables for EvaluationData<'a> {
                         value.clone().into()
                     } else {
                         // We continue with a symbolic value
-                        AffineExpression::from_wittness_poly_value(*id)
+                        AffineExpression::from_witness_poly_value(*id)
                     })
                 }
                 (true, EvaluationRow::Next) => {
diff --git a/src/commit_evaluator/sorted_witness_machine.rs b/src/commit_evaluator/sorted_witness_machine.rs
index 6f2f5f054..baea6e03a 100644
--- a/src/commit_evaluator/sorted_witness_machine.rs
+++ b/src/commit_evaluator/sorted_witness_machine.rs
@@ -107,8 +107,8 @@ fn check_constraint<'a>(fixed_data: &'a FixedData, constraint: &Expression) -> O
         _ => return None,
     };
     let witness_count = fixed_data.witness_cols.len();
-    let pattern = AffineExpression::from_wittness_poly_value(key_column_id + witness_count)
-        - AffineExpression::from_wittness_poly_value(key_column_id);
+    let pattern = AffineExpression::from_witness_poly_value(key_column_id + witness_count)
+        - AffineExpression::from_witness_poly_value(key_column_id);
     if sort_constraint != pattern {
         return None;
     }
diff --git a/src/commit_evaluator/symbolic_evaluator.rs b/src/commit_evaluator/symbolic_evaluator.rs
index 7499f21fd..9b8e68a0b 100644
--- a/src/commit_evaluator/symbolic_evaluator.rs
+++ b/src/commit_evaluator/symbolic_evaluator.rs
@@ -28,7 +28,7 @@ impl<'a> SymbolicVariables for SymbolicEvaluator<'a> {
         // TODO arrays
         if let Some(id) = self.fixed_data.witness_ids.get(name) {
             let witness_count = self.fixed_data.witness_ids.len();
-            Ok(AffineExpression::from_wittness_poly_value(
+            Ok(AffineExpression::from_witness_poly_value(
                 *id + if next { witness_count } else { 0 },
             ))
         } else {