diff --git a/board/is1/qts/iocsr_config.h b/board/is1/qts/iocsr_config.h
index 1d2774a..e54af2c 100644
--- a/board/is1/qts/iocsr_config.h
+++ b/board/is1/qts/iocsr_config.h
@@ -6,10 +6,10 @@
 #ifndef __SOCFPGA_IOCSR_CONFIG_H__
 #define __SOCFPGA_IOCSR_CONFIG_H__
 
-#define CONFIG_HPS_IOCSR_SCANCHAIN0_LENGTH	764
-#define CONFIG_HPS_IOCSR_SCANCHAIN1_LENGTH	1719
-#define CONFIG_HPS_IOCSR_SCANCHAIN2_LENGTH	955
-#define CONFIG_HPS_IOCSR_SCANCHAIN3_LENGTH	16766
+#define CFG_HPS_IOCSR_SCANCHAIN0_LENGTH	764
+#define CFG_HPS_IOCSR_SCANCHAIN1_LENGTH	1719
+#define CFG_HPS_IOCSR_SCANCHAIN2_LENGTH	955
+#define CFG_HPS_IOCSR_SCANCHAIN3_LENGTH	16766
 
 const unsigned long iocsr_scan_chain0_table[] = {
 	0x00000000,