diff --git a/benchmark/src/main/java/org/capnproto/benchmark/CarSales.java b/benchmark/src/main/java/org/capnproto/benchmark/CarSales.java
index 9ba72cb..5e9041e 100644
--- a/benchmark/src/main/java/org/capnproto/benchmark/CarSales.java
+++ b/benchmark/src/main/java/org/capnproto/benchmark/CarSales.java
@@ -59,9 +59,7 @@ public class CarSales
         car.setSeats((byte)(2 + rng.nextLessThan(6)));
         car.setDoors((byte)(2 + rng.nextLessThan(3)));
 
-        StructList.Builder<Wheel.Builder> wheels = car.initWheels(4);
-        for (int i = 0; i < wheels.size(); ++i) {
-            Wheel.Builder wheel = wheels.get(i);
+        for (Wheel.Builder wheel : car.initWheels(4)) {
             wheel.setDiameter((short)(25 + rng.nextLessThan(15)));
             wheel.setAirPressure((float)(30.0 + rng.nextDouble(20.0)));
             wheel.setSnowTires(rng.nextLessThan(16) == 0);
diff --git a/runtime/src/main/java/org/capnproto/WireHelpers.java b/runtime/src/main/java/org/capnproto/WireHelpers.java
index 7348d39..33b292b 100644
--- a/runtime/src/main/java/org/capnproto/WireHelpers.java
+++ b/runtime/src/main/java/org/capnproto/WireHelpers.java
@@ -313,10 +313,11 @@ final class WireHelpers {
                                        Text.Reader value) {
         Text.Builder builder = initTextPointer(refOffset, segment, value.size);
 
-        // TODO is there a way to do this with bulk methods?
-        for (int i = 0; i < builder.size; ++i) {
-            builder.buffer.put(builder.offset + i, value.buffer.get(value.offset + i));
-        }
+        ByteBuffer slice = value.buffer.duplicate();
+        slice.position(value.offset);
+        slice.limit(value.offset + value.size);
+        builder.buffer.position(builder.offset);
+        builder.buffer.put(slice);
         return builder;
     }