diff --git a/drivers/ddr/altera/Makefile b/drivers/ddr/altera/Makefile
index 9fa5d85..c1d6a6b 100644
--- a/drivers/ddr/altera/Makefile
+++ b/drivers/ddr/altera/Makefile
@@ -6,7 +6,7 @@
 # (C) Copyright 2010, Thomas Chou <thomas@wytron.com.tw>
 # Copyright (C) 2014-2021 Altera Corporation <www.altera.com>
 
-ifdef CONFIG_$(SPL_)ALTERA_SDRAM
+ifdef CONFIG_$(XPL_)ALTERA_SDRAM
 obj-$(CONFIG_TARGET_SOCFPGA_GEN5) += sdram_gen5.o sequencer.o
 obj-$(CONFIG_TARGET_SOCFPGA_ARRIA10) += sdram_arria10.o
 obj-$(CONFIG_TARGET_SOCFPGA_STRATIX10) += sdram_soc64.o sdram_s10.o