diff --git a/org.eclipse.jgit.lfs.test/tst/org/eclipse/jgit/lfs/lib/LongObjectIdTest.java b/org.eclipse.jgit.lfs.test/tst/org/eclipse/jgit/lfs/lib/LongObjectIdTest.java
index e754d6f74..31ab783e2 100644
--- a/org.eclipse.jgit.lfs.test/tst/org/eclipse/jgit/lfs/lib/LongObjectIdTest.java
+++ b/org.eclipse.jgit.lfs.test/tst/org/eclipse/jgit/lfs/lib/LongObjectIdTest.java
@@ -291,6 +291,8 @@ public void testCompareTo() {
 				"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef");
 		assertEquals(0, id1.compareTo(LongObjectId.fromString(
 				"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef")));
+		AnyLongObjectId self = id1;
+		assertEquals(0, id1.compareTo(self));
 
 		assertEquals(-1, id1.compareTo(LongObjectId.fromString(
 				"1123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef")));