diff --git a/tests/qemu-iotests/303 b/tests/qemu-iotests/303
index 475cb5428d..16c2e10827 100755
--- a/tests/qemu-iotests/303
+++ b/tests/qemu-iotests/303
@@ -54,12 +54,19 @@ def add_bitmap(num, begin, end, disabled):
     log('')
 
 
-qemu_img_create('-f', iotests.imgfmt, disk, '10M')
+def test(compression_type: str, json_output: bool) -> None:
+    qemu_img_create('-f', iotests.imgfmt,
+                    '-o', f'compression_type={compression_type}',
+                    disk, '10M')
+    add_bitmap(1, 0, 6, False)
+    add_bitmap(2, 6, 8, True)
 
-add_bitmap(1, 0, 6, False)
-add_bitmap(2, 6, 8, True)
-dump = ['./qcow2.py', disk, 'dump-header']
-subprocess.run(dump)
-# Dump the metadata in JSON format
-dump.append('-j')
-subprocess.run(dump)
+    cmd = ['./qcow2.py', disk, 'dump-header']
+    if json_output:
+        cmd.append('-j')
+
+    subprocess.run(cmd)
+
+
+test('zlib', False)
+test('zstd', True)
diff --git a/tests/qemu-iotests/303.out b/tests/qemu-iotests/303.out
index 7c16998587..b3c70827b7 100644
--- a/tests/qemu-iotests/303.out
+++ b/tests/qemu-iotests/303.out
@@ -80,6 +80,34 @@ extra_data_size           0
 Bitmap table   type            size         offset
 0              all-zeroes      0            0
 
+Add bitmap 1
+wrote 1048576/1048576 bytes at offset 0
+1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+wrote 1048576/1048576 bytes at offset 1048576
+1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+wrote 1048576/1048576 bytes at offset 2097152
+1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+wrote 1048576/1048576 bytes at offset 3145728
+1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+wrote 1048576/1048576 bytes at offset 4194304
+1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+wrote 1048576/1048576 bytes at offset 5242880
+1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+
+Add bitmap 2
+wrote 1048576/1048576 bytes at offset 6291456
+1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+wrote 1048576/1048576 bytes at offset 7340032
+1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+
 {
     "magic": 1363560955,
     "version": 3,
@@ -94,7 +122,7 @@ Bitmap table   type            size         offset
     "refcount_table_clusters": 1,
     "nb_snapshots": 0,
     "snapshot_offset": 0,
-    "incompatible_features": 0,
+    "incompatible_features": 8,
     "compatible_features": 0,
     "autoclear_features": 1,
     "refcount_order": 4,