diff --git a/drivers/ddr/altera/sequencer.h b/drivers/ddr/altera/sequencer.h
index c72a683..618ba00 100644
--- a/drivers/ddr/altera/sequencer.h
+++ b/drivers/ddr/altera/sequencer.h
@@ -6,6 +6,8 @@
 #ifndef _SEQUENCER_H_
 #define _SEQUENCER_H_
 
+#include <config.h>
+
 #define RW_MGR_NUM_DM_PER_WRITE_GROUP (seq->rwcfg->mem_data_mask_width \
 	/ seq->rwcfg->mem_if_write_dqs_width)
 #define RW_MGR_NUM_TRUE_DM_PER_WRITE_GROUP ( \