diff --git a/src/examples/audio-src.c b/src/examples/audio-src.c
index 66d1fa30f..90c29912b 100644
--- a/src/examples/audio-src.c
+++ b/src/examples/audio-src.c
@@ -139,6 +139,7 @@ int main(int argc, char *argv[])
 		"I", data.type.media_type.audio,
 		"I", data.type.media_subtype.raw,
 		":", data.type.format_audio.format,	"I", data.type.audio_format.F32,
+		":", data.type.format_audio.layout,	"i", SPA_AUDIO_LAYOUT_INTERLEAVED,
 		":", data.type.format_audio.channels,	"i", DEFAULT_CHANNELS,
 		":", data.type.format_audio.rate,	"i", DEFAULT_RATE);
 
diff --git a/src/modules/module-audio-dsp.c b/src/modules/module-audio-dsp.c
index 60caf877e..017f6a0bb 100644
--- a/src/modules/module-audio-dsp.c
+++ b/src/modules/module-audio-dsp.c
@@ -368,6 +368,7 @@ static int port_enum_formats(struct spa_node *node,
 				"I", t->media_type.audio,
 				"I", t->media_subtype.raw,
 	                        ":", t->format_audio.format,   "I", t->audio_format.F32,
+	                        ":", t->format_audio.layout,   "i", SPA_AUDIO_LAYOUT_NON_INTERLEAVED,
 	                        ":", t->format_audio.rate,     "i", n->sample_rate,
 	                        ":", t->format_audio.channels, "i", 1);
 		}
@@ -426,8 +427,9 @@ static int port_enum_params(struct spa_node *node,
 			id, t->param_buffers.Buffers,
 			":", t->param_buffers.size,    "i", n->buffer_size * sizeof(float),
 //				SPA_POD_PROP_MIN_MAX(24, 4096),
+			":", t->param_buffers.blocks,  "i", 1,
 			":", t->param_buffers.stride,  "i", 0,
-			":", t->param_buffers.buffers, "ir", 2,
+			":", t->param_buffers.buffers, "ir", 1,
 				SPA_POD_PROP_MIN_MAX(1, MAX_BUFFERS),
 			":", t->param_buffers.align,   "i", 16);
 	}