diff --git a/spa/plugins/audioconvert/fmtconvert.c b/spa/plugins/audioconvert/fmtconvert.c
index 0e8061ed4..22b01f8fa 100644
--- a/spa/plugins/audioconvert/fmtconvert.c
+++ b/spa/plugins/audioconvert/fmtconvert.c
@@ -457,7 +457,7 @@ impl_node_port_enum_params(void *object, int seq,
 		if (other->n_buffers > 0) {
 			param = spa_pod_builder_add_object(&b,
 				SPA_TYPE_OBJECT_ParamBuffers, id,
-				SPA_PARAM_BUFFERS_buffers, SPA_POD_CHOICE_RANGE_Int(other->n_buffers, 1, MAX_BUFFERS),
+				SPA_PARAM_BUFFERS_buffers, SPA_POD_CHOICE_RANGE_Int(1, 1, MAX_BUFFERS),
 				SPA_PARAM_BUFFERS_blocks,  SPA_POD_Int(port->blocks),
 				SPA_PARAM_BUFFERS_size,    SPA_POD_Int(other->size / other->stride * port->stride),
 				SPA_PARAM_BUFFERS_stride,  SPA_POD_Int(port->stride),