diff --git a/CMakePresets.json b/CMakePresets.json
index 00126903484..ac99334b849 100644
--- a/CMakePresets.json
+++ b/CMakePresets.json
@@ -37,7 +37,7 @@
 	"WITH_OpenJPEG_ENCODER" : "ON",
 	"WITH_OpenJPEG_ENCODER_PLUGIN" : "ON",
 	"WITH_FFMPEG_DECODER" : "ON",
-	"WITH_FFMPEG_DECODER_PLUGIN" : "ON"
+	"WITH_FFMPEG_DECODER_PLUGIN" : "ON",
       }
     },
     {
diff --git a/README.md b/README.md
index faf4d9f3877..e5252a89858 100644
--- a/README.md
+++ b/README.md
@@ -155,7 +155,7 @@ For each codec, there are two configuration variables:
 * `WITH_{codec}_PLUGIN`: when enabled, the codec is compiled as a separate plugin.
 
 In order to use dynamic plugins, also make sure that `ENABLE_PLUGIN_LOADING` is enabled.
-The placeholder `{codec}` can have these values: `LIBDE265`, `X265`, `AOM_DECODER`, `AOM_ENCODER`, `SvtEnc`, `DAV1D`, `FFMPEG_DECODER`, `JPEG_DECODER`, `JPEG_ENCODER`, `KVAZAAR`, `OpenJPEG_DECODER`, `OpenJPEG_ENCODER`.
+The placeholder `{codec}` can have these values: `LIBDE265`, `X265`, `AOM_DECODER`, `AOM_ENCODER`, `SvtEnc`, `DAV1D`, `FFMPEG_DECODER`, `JPEG_DECODER`, `JPEG_ENCODER`, `KVAZAAR`, `OpenJPEG_DECODER`, `OpenJPEG_ENCODER`, `OPENJPH_ENCODER`
 
 Further options are:
 
diff --git a/examples/heif_enc.cc b/examples/heif_enc.cc
index a1c91e56214..41696e119a9 100644
--- a/examples/heif_enc.cc
+++ b/examples/heif_enc.cc
@@ -164,7 +164,7 @@ void show_help(const char* argv0)
             << "  -A, --avif            encode as AVIF (not needed if output filename with .avif suffix is provided)\n"
             << "      --jpeg            encode as JPEG\n"
             << "      --jpeg2000        encode as JPEG 2000 (experimental)\n"
-            << "      --htj2k           encode as High Throughput JPEG 2000 (even more experimental)\n"
+            << "      --htj2k           encode as High Throughput JPEG 2000 (experimental)\n"
 #if WITH_UNCOMPRESSED_CODEC
             << "  -U, --uncompressed    encode as uncompressed image (according to ISO 23001-17) (EXPERIMENTAL)\n"
 #endif
diff --git a/libheif/plugins/encoder_openjph.cc b/libheif/plugins/encoder_openjph.cc
index 1f036fc84f3..9a500739fcd 100644
--- a/libheif/plugins/encoder_openjph.cc
+++ b/libheif/plugins/encoder_openjph.cc
@@ -81,9 +81,9 @@ static const int OJPH_PLUGIN_PRIORITY = 80;
 
 struct encoder_struct_ojph
 {
+  // We do this for API reasons. Has no effect at this stage.
   int quality = 70;
   heif_chroma chroma = heif_chroma_undefined;
-  bool reversible = false;
 
   // Context
   ojph::codestream codestream;
@@ -231,16 +231,12 @@ void ojph_cleanup_plugin()
 
 //////////// Integer parameter setters
 
-// Note quality is part of the plugin API
+// Note quality is part of the plugin API.
 
 struct heif_error ojph_set_parameter_quality(void* encoder_raw, int quality)
 {
   auto* encoder = (struct encoder_struct_ojph*) encoder_raw;
 
-  if (quality < 0 || quality > 100) {
-    return heif_error_invalid_parameter_value;
-  }
-
   encoder->quality = quality;
 
   return heif_error_ok;
@@ -309,7 +305,7 @@ struct heif_error ojph_get_parameter_integer(void *encoder_raw, const char *name
 struct heif_error ojph_set_parameter_lossless(void* encoder_raw, int lossless)
 {
   auto* encoder = (struct encoder_struct_ojph*) encoder_raw;
-  encoder->reversible = lossless;
+  encoder->codestream.access_cod().set_reversible(lossless);
   return heif_error_ok;
 }
 
@@ -337,7 +333,7 @@ struct heif_error ojph_set_parameter_boolean(void *encoder_raw, const char *name
 struct heif_error ojph_get_parameter_lossless(void* encoder_raw, int* lossless)
 {
   auto* encoder = (struct encoder_struct_ojph*) encoder_raw;
-  *lossless = encoder->reversible;
+  *lossless = encoder->codestream.access_cod().is_reversible();
   return heif_error_ok;
 }
 
@@ -745,8 +741,6 @@ void build_COD(encoder_struct_ojph *encoder)
 {
   ojph::param_cod cod = encoder->codestream.access_cod();
   cod.set_color_transform(false);
-  // TODO: don't set here - just set on codestream
-  cod.set_reversible(encoder->reversible);
 }
 
 struct heif_error ojph_encode_image(void *encoder_raw, const struct heif_image *image, enum heif_image_input_class image_class)