diff --git a/dspace-api/src/main/java/org/dspace/content/BitstreamServiceImpl.java b/dspace-api/src/main/java/org/dspace/content/BitstreamServiceImpl.java
index a7df6a526a..e5e7cc57e4 100644
--- a/dspace-api/src/main/java/org/dspace/content/BitstreamServiceImpl.java
+++ b/dspace-api/src/main/java/org/dspace/content/BitstreamServiceImpl.java
@@ -100,7 +100,7 @@ public class BitstreamServiceImpl extends DSpaceObjectServiceImpl<Bitstream> imp
         // Set the internal identifier, file size, checksum, and
         // checksum algorithm as same as the given bitstream.
         clonedBitstream.setInternalId(bitstream.getInternalId());
-        clonedBitstream.setSizeBytes(bitstream.getSize());
+        clonedBitstream.setSizeBytes(bitstream.getSizeBytes());
         clonedBitstream.setChecksum(bitstream.getChecksum());
         clonedBitstream.setChecksumAlgorithm(bitstream.getChecksumAlgorithm());
         try {