diff --git a/prj.conf b/prj.conf
index aee3568..7c6cda3 100644
--- a/prj.conf
+++ b/prj.conf
@@ -55,6 +55,7 @@ CONFIG_BT_ATT_TX_COUNT=5
 CONFIG_BT_L2CAP_TX_MTU=65
 CONFIG_BT_BUF_ACL_RX_SIZE=69
 CONFIG_BT_BUF_ACL_TX_SIZE=69
+CONFIG_BT_PERIPHERAL_PREF_TIMEOUT=400
 CONFIG_BT_CONN_CTX=y
 CONFIG_BT_DEVICE_NAME="WH Mini Keyboard"
 CONFIG_BT_DEVICE_APPEARANCE=961