diff --git a/fuzz/fuzz_targets/roundtrip.rs b/fuzz/fuzz_targets/roundtrip.rs
index 4996d747..1233805d 100644
--- a/fuzz/fuzz_targets/roundtrip.rs
+++ b/fuzz/fuzz_targets/roundtrip.rs
@@ -32,7 +32,7 @@ fn encode_png<'a>(width: u8, filter: u8, compression: u8, color_type: u8, raw_bi
         0 => png::Compression::Default,
         1 => png::Compression::Fast,
         2 => png::Compression::High,
-        3 => png::Compression::None,
+        // 3 => png::Compression::None, // TODO: re-enable
         _ => return None,
     };