diff --git a/sysbuild/hci_ipc.conf b/sysbuild/hci_ipc.conf
index f67c05a..bf977d6 100644
--- a/sysbuild/hci_ipc.conf
+++ b/sysbuild/hci_ipc.conf
@@ -1,3 +1,3 @@
-CONFIG_BT_CTLR_TX_PWR_PLUS_4=y
+CONFIG_BT_CTLR_TX_PWR_PLUS_8=y
 CONFIG_BT_CTLR_TX_PWR_DYNAMIC_CONTROL=y
 CONFIG_BT_CTLR_DATA_LENGTH_MAX=251