diff --git a/bigint/src/biguint.rs b/bigint/src/biguint.rs
index 3063236..ffe14e0 100644
--- a/bigint/src/biguint.rs
+++ b/bigint/src/biguint.rs
@@ -460,6 +460,8 @@ impl<'a, 'b> Mul<&'b BigUint> for &'a BigUint {
     }
 }
 
+forward_all_scalar_binop_to_val_val!(impl Mul<BigDigit> for BigUint, mul);
+
 impl Mul<BigDigit> for BigUint {
     type Output = BigUint;
 
diff --git a/bigint/src/tests/biguint.rs b/bigint/src/tests/biguint.rs
index f3627fa..da6c956 100644
--- a/bigint/src/tests/biguint.rs
+++ b/bigint/src/tests/biguint.rs
@@ -822,13 +822,15 @@ fn test_scalar_mul() {
         if a_vec.len() == 1 {
             let b = BigUint::from_slice(b_vec);
             let a = a_vec[0];
-            assert!(b * a == c);
+            assert_op!(a * b == c);
+            assert_op!(b * a == c);
         }
 
         if b_vec.len() == 1 {
             let a = BigUint::from_slice(a_vec);
             let b = b_vec[0];
-            assert!(a * b == c);
+            assert_op!(a * b == c);
+            assert_op!(b * a == c);
         }
     }
 }