diff --git a/board/prodrive/pdnb3/flash.c b/board/prodrive/pdnb3/flash.c
index 0786324..5738c5b 100644
--- a/board/prodrive/pdnb3/flash.c
+++ b/board/prodrive/pdnb3/flash.c
@@ -71,14 +71,14 @@
 
 	/* Environment protection ON by default */
 	flash_protect(FLAG_PROTECT_SET,
-		      CFG_ENV_ADDR,
-		      CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
+		      CONFIG_ENV_ADDR,
+		      CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1,
 		      &flash_info[CFG_MAX_FLASH_BANKS - 1]);
 
 	/* Redundant environment protection ON by default */
 	flash_protect(FLAG_PROTECT_SET,
-		      CFG_ENV_ADDR_REDUND,
-		      CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1,
+		      CONFIG_ENV_ADDR_REDUND,
+		      CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SIZE_REDUND - 1,
 		      &flash_info[CFG_MAX_FLASH_BANKS - 1]);
 
 	flash_info[0].size = size;