diff --git a/bl2/bl2_image_load_v2.c b/bl2/bl2_image_load_v2.c
index 6517703..198b65e 100644
--- a/bl2/bl2_image_load_v2.c
+++ b/bl2/bl2_image_load_v2.c
@@ -87,8 +87,10 @@
 	assert(bl2_to_next_bl_params->h.version >= VERSION_2);
 	assert(bl2_to_next_bl_params->head->ep_info);
 
-	/* Populate arg0 for the next BL image */
-	bl2_to_next_bl_params->head->ep_info->args.arg0 = (u_register_t)bl2_to_next_bl_params;
+	/* Populate arg0 for the next BL image if not already provided */
+	if (bl2_to_next_bl_params->head->ep_info->args.arg0 == 0)
+		bl2_to_next_bl_params->head->ep_info->args.arg0 =
+					(u_register_t)bl2_to_next_bl_params;
 
 	/* Flush the parameters to be passed to next image */
 	plat_flush_next_bl_params();