diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c
index 8e54e7c..da79b76 100644
--- a/drivers/net/sh_eth.c
+++ b/drivers/net/sh_eth.c
@@ -34,7 +34,8 @@
 # error "Please define CONFIG_SH_ETHER_PHY_ADDR"
 #endif
 
-#if defined(CONFIG_SH_ETHER_CACHE_WRITEBACK) && !defined(CONFIG_SYS_DCACHE_OFF)
+#if defined(CONFIG_SH_ETHER_CACHE_WRITEBACK) && \
+	!CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
 #define flush_cache_wback(addr, len)    \
 		flush_dcache_range((u32)addr, \
 		(u32)(addr + ALIGN(len, CONFIG_SH_ETHER_ALIGNE_SIZE)))