diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/LongList.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/LongList.java
index 96b311dfb..e3aeb83a7 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/LongList.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/LongList.java
@@ -44,6 +44,8 @@
 
 package org.eclipse.jgit.util;
 
+import java.util.Arrays;
+
 /** A more efficient List<Long> using a primitive long array. */
 public class LongList {
 	private long[] entries;
@@ -146,6 +148,11 @@ public class LongList {
 			add(val);
 	}
 
+	/** Sort the list of longs according to their natural ordering. */
+	public void sort() {
+		Arrays.sort(entries, 0, count);
+	}
+
 	private void grow() {
 		final long[] n = new long[(entries.length + 16) * 3 / 2];
 		System.arraycopy(entries, 0, n, 0, count);