diff --git a/src/biguint.rs b/src/biguint.rs
index 52276e5e..7022831e 100644
--- a/src/biguint.rs
+++ b/src/biguint.rs
@@ -914,7 +914,7 @@ impl MulAssign<u128> for BigUint {
         if other == 0 {
             self.data.clear();
         } else if other <= BigDigit::max_value() as u128 {
-            *self *= other
+            *self *= other as BigDigit
         } else {
             let (hi, lo) = big_digit::from_doublebigdigit(other);
             *self = mul3(&self.data[..], &[lo, hi])
@@ -1525,7 +1525,7 @@ impl ToPrimitive for BigUint {
             ret |= (*i as u128) << bits;
             bits += big_digit::BITS;
         }
-        println!("{:?} -> {}", self, ret);
+
         Some(ret)
     }