diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h
index c3c88d2..574a0e7 100644
--- a/arch/arm/include/asm/system.h
+++ b/arch/arm/include/asm/system.h
@@ -331,7 +331,7 @@
 
 /* options available for data cache on each page */
 enum dcache_option {
-	DCACHE_OFF = TTB_SECT | TTB_SECT_MAIR(0),
+	DCACHE_OFF = TTB_SECT | TTB_SECT_MAIR(0) | TTB_SECT_XN_MASK,
 	DCACHE_WRITETHROUGH = TTB_SECT | TTB_SECT_MAIR(1),
 	DCACHE_WRITEBACK = TTB_SECT | TTB_SECT_MAIR(2),
 	DCACHE_WRITEALLOC = TTB_SECT | TTB_SECT_MAIR(3),