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 ad7ab81..4afaae1 100644
--- a/plat/arm/css/sgi/include/sgi_base_platform_def.h
+++ b/plat/arm/css/sgi/include/sgi_base_platform_def.h
@@ -147,8 +147,8 @@
 /* Allocate 128KB for CPER buffers */
 #define PLAT_SP_BUF_BASE			ULL(0x20000)
 
-#define PLAT_ARM_SP_IMAGE_STACK_BASE		(ARM_SP_IMAGE_NS_BUF_BASE + \
-						ARM_SP_IMAGE_NS_BUF_SIZE + \
+#define PLAT_ARM_SP_IMAGE_STACK_BASE		(PLAT_SP_IMAGE_NS_BUF_BASE + \
+						PLAT_SP_IMAGE_NS_BUF_SIZE + \
 						PLAT_SP_BUF_BASE)
 
 /* Platform specific SMC FID's used for RAS */
@@ -171,8 +171,8 @@
 	SDEI_EXPLICIT_EVENT(SGI_SDEI_DS_EVENT_1, SDEI_MAPF_CRITICAL),
 #define PLAT_ARM_SHARED_SDEI_EVENTS
 
-#define ARM_SP_CPER_BUF_BASE			(ARM_SP_IMAGE_NS_BUF_BASE + \
-						ARM_SP_IMAGE_NS_BUF_SIZE)
+#define ARM_SP_CPER_BUF_BASE			(PLAT_SP_IMAGE_NS_BUF_BASE + \
+						PLAT_SP_IMAGE_NS_BUF_SIZE)
 #define ARM_SP_CPER_BUF_SIZE			ULL(0x20000)
 #define ARM_SP_CPER_BUF_MMAP			MAP_REGION2(		\
 						ARM_SP_CPER_BUF_BASE,	\
@@ -182,8 +182,8 @@
 						PAGE_SIZE)
 
 #else
-#define PLAT_ARM_SP_IMAGE_STACK_BASE	(ARM_SP_IMAGE_NS_BUF_BASE +	\
-					 ARM_SP_IMAGE_NS_BUF_SIZE)
+#define PLAT_ARM_SP_IMAGE_STACK_BASE	(PLAT_SP_IMAGE_NS_BUF_BASE +	\
+					 PLAT_SP_IMAGE_NS_BUF_SIZE)
 #endif /* RAS_EXTENSION */
 
 /* Platform ID address */
diff --git a/plat/arm/css/sgi/sgi_plat.c b/plat/arm/css/sgi/sgi_plat.c
index 79f3e5b..8357794 100644
--- a/plat/arm/css/sgi/sgi_plat.c
+++ b/plat/arm/css/sgi/sgi_plat.c
@@ -127,12 +127,12 @@
 	.sp_image_base       = ARM_SP_IMAGE_BASE,
 	.sp_stack_base       = PLAT_SP_IMAGE_STACK_BASE,
 	.sp_heap_base        = ARM_SP_IMAGE_HEAP_BASE,
-	.sp_ns_comm_buf_base = ARM_SP_IMAGE_NS_BUF_BASE,
+	.sp_ns_comm_buf_base = PLAT_SP_IMAGE_NS_BUF_BASE,
 	.sp_shared_buf_base  = PLAT_SPM_BUF_BASE,
 	.sp_image_size       = ARM_SP_IMAGE_SIZE,
 	.sp_pcpu_stack_size  = PLAT_SP_IMAGE_STACK_PCPU_SIZE,
 	.sp_heap_size        = ARM_SP_IMAGE_HEAP_SIZE,
-	.sp_ns_comm_buf_size = ARM_SP_IMAGE_NS_BUF_SIZE,
+	.sp_ns_comm_buf_size = PLAT_SP_IMAGE_NS_BUF_SIZE,
 	.sp_shared_buf_size  = PLAT_SPM_BUF_SIZE,
 	.num_sp_mem_regions  = ARM_SP_IMAGE_NUM_MEM_REGIONS,
 	.num_cpus            = PLATFORM_CORE_COUNT,