diff --git a/components/bt/Kconfig b/components/bt/Kconfig
index d0ca3f8ab..b0666b8d7 100644
--- a/components/bt/Kconfig
+++ b/components/bt/Kconfig
@@ -99,8 +99,8 @@ menu "Bluetooth"
                 Legacy authentication Vendor specific event should be enabled
 
         config BTDM_CTRL_LEGACY_AUTH_VENDOR_EVT_EFF
-            int
-            default BTDM_CTRL_BR_EDR_MAX_ACL_CONN if BTDM_CTRL_MODE_BR_EDR_ONLY || BTDM_CTRL_MODE_BTDM
+            bool
+            default BTDM_CTRL_LEGACY_AUTH_VENDOR_EVT if BTDM_CTRL_MODE_BR_EDR_ONLY || BTDM_CTRL_MODE_BTDM
             default 0