diff --git a/tests/qemu-iotests/028 b/tests/qemu-iotests/028
index 07c5bb697..b091ba9f0 100755
--- a/tests/qemu-iotests/028
+++ b/tests/qemu-iotests/028
@@ -96,6 +96,11 @@ io_zero readv $(( offset + 32 * 1024 )) 512 1024 32
 
 _check_test_img
 
+# Rebase it on top of its base image
+$QEMU_IMG rebase -b $TEST_IMG.base $TEST_IMG
+
+_check_test_img
+
 # success, all done
 echo "*** done"
 rm -f $seq.full
diff --git a/tests/qemu-iotests/028.out b/tests/qemu-iotests/028.out
index f4290298c..fe007887e 100644
--- a/tests/qemu-iotests/028.out
+++ b/tests/qemu-iotests/028.out
@@ -465,4 +465,5 @@ qemu-io> read 512/512 bytes at offset 3221257728
 qemu-io> read 512/512 bytes at offset 3221258752
 512.000000 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
 qemu-io> No errors were found on the image.
+No errors were found on the image.
 *** done