diff --git a/arch/arm/cpu/armv8/cache_v8.c b/arch/arm/cpu/armv8/cache_v8.c
index 7ebcaa21a1..7c31d98a6f 100644
--- a/arch/arm/cpu/armv8/cache_v8.c
+++ b/arch/arm/cpu/armv8/cache_v8.c
@@ -557,7 +557,7 @@ static u64 set_one_region(u64 start, u64 size, u64 attrs, bool flag, int level)
 void mmu_set_region_dcache_behaviour(phys_addr_t start, size_t size,
 				     enum dcache_option option)
 {
-	u64 attrs = PMD_ATTRINDX(option);
+	u64 attrs = PMD_ATTRINDX(option >> 2);
 	u64 real_start = start;
 	u64 real_size = size;