diff --git a/src/test/java/htsjdk/samtools/cram/RANSInteropTest.java b/src/test/java/htsjdk/samtools/cram/RANSInteropTest.java
index b1c9d5a887..516464d7d8 100644
--- a/src/test/java/htsjdk/samtools/cram/RANSInteropTest.java
+++ b/src/test/java/htsjdk/samtools/cram/RANSInteropTest.java
@@ -163,6 +163,9 @@ public void testRANSRoundTrip(
             // by filtering out the embedded newlines, and then round trip through RANS and compare the
             // results
             final ByteBuffer uncompressedInteropBytes = ByteBuffer.wrap(filterEmbeddedNewlines(IOUtils.toByteArray(uncompressedInteropStream)));
+            final ByteBuffer compressedHtsjdkBytes = ransEncode.compress(uncompressedInteropBytes, params);
+            uncompressedInteropBytes.rewind();
+            Assert.assertEquals(ransDecode.uncompress(compressedHtsjdkBytes), uncompressedInteropBytes);
         }
     }