diff --git a/config/telink/chip-module/Kconfig.defaults b/config/telink/chip-module/Kconfig.defaults
index 97233b073bc6f3..1be87da9447002 100644
--- a/config/telink/chip-module/Kconfig.defaults
+++ b/config/telink/chip-module/Kconfig.defaults
@@ -347,7 +347,7 @@ config IEEE802154_TLX_OPTIMIZATION
 
 config IEEE802154_B9X_OPTIMIZATION
 	bool "optimize the rf performance for b9x"
-	default y if SOC_SERIES_RISCV_TELINK_B9X_RETENTION
+	default y if BOARD_TLSR9528A_RETENTION
 	default n
 	help
 	  optimize the rf performance for b9x.