diff --git a/spa/plugins/bluez5/a2dp-codec-sbc.c b/spa/plugins/bluez5/a2dp-codec-sbc.c
index bb9a1f5a8..0da1a02e2 100644
--- a/spa/plugins/bluez5/a2dp-codec-sbc.c
+++ b/spa/plugins/bluez5/a2dp-codec-sbc.c
@@ -374,7 +374,7 @@ static int codec_encode(void *data,
 	int res;
 
 	res = sbc_encode(&this->sbc, src, src_size,
-			dst, dst_size, dst_out);
+			dst, dst_size, (ssize_t*)dst_out);
 
 	if (res >= this->codesize)
 		this->payload->frame_count += res / this->codesize;
diff --git a/spa/plugins/bluez5/a2dp-sink.c b/spa/plugins/bluez5/a2dp-sink.c
index d9f775c37..2b3e1b1d7 100644
--- a/spa/plugins/bluez5/a2dp-sink.c
+++ b/spa/plugins/bluez5/a2dp-sink.c
@@ -357,7 +357,7 @@ static int send_buffer(struct impl *this)
 static int encode_buffer(struct impl *this, const void *data, int size)
 {
 	int processed;
-	ssize_t out_encoded;
+	size_t out_encoded;
 	struct port *port = &this->port;
 	const void *from_data = data;
 	int from_size = size;