diff --git a/src/main/java/illgner/ch/createzip/SplitZipWriter.java b/src/main/java/illgner/ch/createzip/SplitZipWriter.java
index c926962..fe6349d 100755
--- a/src/main/java/illgner/ch/createzip/SplitZipWriter.java
+++ b/src/main/java/illgner/ch/createzip/SplitZipWriter.java
@@ -85,10 +85,8 @@ public class SplitZipWriter implements Closeable {
             switchOutputFile();
         }
         LOG.info("Writing file {} to zip", path);
-        long entryStartBytes = countingOutputStream.getCount();
         zipOutputStream.putNextEntry(new ZipEntry(path));
-        IOUtils.copyLarge(inputStream, zipOutputStream);
-        bytesWritten += countingOutputStream.getCount() - entryStartBytes;
+        bytesWritten += IOUtils.copyLarge(inputStream, zipOutputStream);
         zipOutputStream.closeEntry();
     }