diff --git a/src/examples/video-play-reneg.c b/src/examples/video-play-reneg.c
index e0432ed28..bfa0d11e1 100644
--- a/src/examples/video-play-reneg.c
+++ b/src/examples/video-play-reneg.c
@@ -243,7 +243,8 @@ on_stream_param_changed(void *_data, uint32_t id, const struct spa_pod *param)
 		SPA_PARAM_BUFFERS_blocks,  SPA_POD_Int(1),
 		SPA_PARAM_BUFFERS_size,    SPA_POD_Int(data->stride * data->size.height),
 		SPA_PARAM_BUFFERS_stride,  SPA_POD_Int(data->stride),
-		SPA_PARAM_BUFFERS_align,   SPA_POD_Int(16));
+		SPA_PARAM_BUFFERS_align,   SPA_POD_Int(16),
+		SPA_PARAM_BUFFERS_dataType, SPA_POD_CHOICE_FLAGS_Int((1<<SPA_DATA_MemFd) | (1<<SPA_DATA_MemPtr)));
 
 	/* we are done */
 	pw_stream_update_params(stream, params, 1);
diff --git a/src/examples/video-play.c b/src/examples/video-play.c
index a0c79ad32..13c1cb16e 100644
--- a/src/examples/video-play.c
+++ b/src/examples/video-play.c
@@ -363,7 +363,8 @@ on_stream_param_changed(void *_data, uint32_t id, const struct spa_pod *param)
 		SPA_PARAM_BUFFERS_blocks,  SPA_POD_Int(1),
 		SPA_PARAM_BUFFERS_size,    SPA_POD_Int(size * mult),
 		SPA_PARAM_BUFFERS_stride,  SPA_POD_Int(data->stride * mult),
-		SPA_PARAM_BUFFERS_align,   SPA_POD_Int(16));
+		SPA_PARAM_BUFFERS_align,   SPA_POD_Int(16),
+		SPA_PARAM_BUFFERS_dataType, SPA_POD_CHOICE_FLAGS_Int((1<<SPA_DATA_MemFd) | (1<<SPA_DATA_MemPtr)));
 
 	/* a header metadata with timing information */
 	params[1] = spa_pod_builder_add_object(&b,