diff --git a/features/lorawan/lorastack/mac/LoRaMacClassB.cpp b/features/lorawan/lorastack/mac/LoRaMacClassB.cpp
index 870b6754d6..550ad68d59 100644
--- a/features/lorawan/lorastack/mac/LoRaMacClassB.cpp
+++ b/features/lorawan/lorastack/mac/LoRaMacClassB.cpp
@@ -147,6 +147,7 @@ lorawan_status_t LoRaMacClassB::disable(void)
     _opstatus.ping_on = 0;
     _lora_time->stop(_beacon_timer);
     _lora_time->stop(_ping_slot_timer);
+    _lora_time->stop(_beacon_acq_timer);
 
     return LORAWAN_STATUS_OK;
 }