diff --git a/drivers/scsi/isci/request.h b/drivers/scsi/isci/request.h
index 757cd99..547c35c 100644
--- a/drivers/scsi/isci/request.h
+++ b/drivers/scsi/isci/request.h
@@ -213,7 +213,7 @@
 	struct scu_task_context tc ____cacheline_aligned;
 
 	/* could be larger with sg chaining */
-	#define SCU_SGL_SIZE ((SCU_IO_REQUEST_SGE_COUNT + 1) / 2)
+	#define SCU_SGL_SIZE ((SCI_MAX_SCATTER_GATHER_ELEMENTS + 1) / 2)
 	struct scu_sgl_element_pair sg_table[SCU_SGL_SIZE] __attribute__ ((aligned(32)));
 
 	/*