---
mesh/mesh-io-api.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mesh/mesh-io-api.h b/mesh/mesh-io-api.h
index f69fceeb2..acf12445d 100644
--- a/mesh/mesh-io-api.h
+++ b/mesh/mesh-io-api.h
@@ -31,7 +31,7 @@ typedef bool (*mesh_io_deregister_t)(struct mesh_io *io, uint8_t filter_id);
typedef bool (*mesh_io_filter_set_t)(struct mesh_io *io,
uint8_t filter_id, const uint8_t *data, uint8_t len,
mesh_io_status_func_t callback, void *user_data);
-typedef bool (*mesh_io_tx_cancel_t)(struct mesh_io *io, uint8_t *pattern,
+typedef bool (*mesh_io_tx_cancel_t)(struct mesh_io *io, const uint8_t *pattern,
uint8_t len);
struct mesh_io_api {
--
2.14.5
