diff --git a/src/zble_module.c b/src/zble_module.c
index fa63bc4..4d93cca 100644
--- a/src/zble_module.c
+++ b/src/zble_module.c
@@ -379,7 +379,7 @@ void zble_module_init(zble_module_cfg_t *cfg) {
     init.config.ble_adv_fast_timeout  = 100;  //*10ms
 
     init.config.ble_adv_slow_enabled  = true;
-    init.config.ble_adv_slow_interval = 32 * 100;  //*0.625ms
+    init.config.ble_adv_slow_interval = 16 * 100;  //*0.625ms
     init.config.ble_adv_slow_timeout  = 0;         //*10ms
 
     init.evt_handler = on_adv_evt;