diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/storage/pack/PackWriter.java b/org.eclipse.jgit/src/org/eclipse/jgit/storage/pack/PackWriter.java
index fe1ab4fdb..46c412b94 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/storage/pack/PackWriter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/storage/pack/PackWriter.java
@@ -978,8 +978,10 @@ void writeObject(PackOutputStream out, ObjectToPack otp) throws IOException {
 				out.endObject();
 				otp.setCRC(out.getCRC32());
 				stats.reusedObjects++;
-				if (otp.isDeltaRepresentation())
+				if (otp.isDeltaRepresentation()) {
+					stats.totalDeltas++;
 					stats.reusedDeltas++;
+				}
 				return;
 			} catch (StoredObjectRepresentationNotAvailableException gone) {
 				if (otp.getOffset() == out.length()) {