diff --git a/src/lib.rs b/src/lib.rs
index 9006df9..9190075 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -41,10 +41,12 @@ impl Generator {
 
     pub fn hash(&self, value: PrimeOrderDomain<PRIME_ORDER>) -> Hash {
         let mut hash = vec![value];
+
         for i in 0..self.synthetic_max as usize {
+            // Here evaluate our polynomial key[i]*X key[i]*X^2 key[i]*X^3 etc....
             let mut result = PrimeOrderDomain::new(0);
             for j in 0..self.threshold as usize {
-                result = self.key[i][j].clone() * value.pow(j as u64);
+                result = result + (self.key[i][j].clone() * value.pow(j as u64));
             }
             hash.push(result);
         }