diff --git a/plat/arm/css/sgi/include/sgi_base_platform_def.h b/plat/arm/css/sgi/include/sgi_base_platform_def.h
index 9a482d0..305fcf6 100644
--- a/plat/arm/css/sgi/include/sgi_base_platform_def.h
+++ b/plat/arm/css/sgi/include/sgi_base_platform_def.h
@@ -141,7 +141,7 @@
 				CSS_SGI_REMOTE_CHIP_MEM_OFFSET(n) +		\
 				ARM_SHARED_RAM_BASE,				\
 				ARM_SHARED_RAM_SIZE,				\
-				MT_MEMORY | MT_RW | MT_SECURE			\
+				MT_NON_CACHEABLE | MT_RW | MT_SECURE		\
 			)
 
 #define CSS_SGI_MAP_DEVICE_REMOTE_CHIP(n)					\