diff --git a/samples/bluetooth/connection_event_trigger/prj.conf b/samples/bluetooth/connection_event_trigger/prj.conf
index 511f27157d77..e6d0cc1e974b 100644
--- a/samples/bluetooth/connection_event_trigger/prj.conf
+++ b/samples/bluetooth/connection_event_trigger/prj.conf
@@ -32,5 +32,6 @@ CONFIG_BT_SCAN_UUID_CNT=1
 CONFIG_BT_CTLR_SDC_EVENT_TRIGGER=y
 
 CONFIG_HEAP_MEM_POOL_SIZE=2048
+CONFIG_BT_RX_STACK_SIZE=1200
 
 CONFIG_BT_GAP_AUTO_UPDATE_CONN_PARAMS=n