diff --git a/arch/arm/mach-rockchip/rk3288-board.c b/arch/arm/mach-rockchip/rk3288-board.c
index 41e9786..e2de5b2 100644
--- a/arch/arm/mach-rockchip/rk3288-board.c
+++ b/arch/arm/mach-rockchip/rk3288-board.c
@@ -186,7 +186,7 @@
 #endif
 }
 
-#ifndef CONFIG_SYS_DCACHE_OFF
+#if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
 void enable_caches(void)
 {
 	/* Enable D-cache. I-cache is already enabled in start.S */