diff --git a/target/linux/ramips/image/lzma-loader/Makefile b/target/linux/ramips/image/lzma-loader/Makefile
index f22151c9d7..4cf700d8c6 100644
--- a/target/linux/ramips/image/lzma-loader/Makefile
+++ b/target/linux/ramips/image/lzma-loader/Makefile
@@ -13,6 +13,7 @@ LOADER		:= loader.bin
 LOADER_NAME	:= $(basename $(notdir $(LOADER)))
 LOADER_DATA 	:=
 TARGET_DIR	:=
+FLASH_START	:=
 FLASH_OFFS	:=
 FLASH_MAX	:=
 BOARD		:=
@@ -40,6 +41,7 @@ loader-compile: $(PKG_BUILD_DIR)/.prepared
 	$(MAKE) -C $(PKG_BUILD_DIR) CROSS_COMPILE="$(TARGET_CROSS)" \
 		LZMA_TEXT_START=$(LZMA_TEXT_START) \
 		LOADER_DATA=$(LOADER_DATA) \
+		FLASH_START=$(FLASH_START) \
 		FLASH_OFFS=$(FLASH_OFFS) \
 		FLASH_MAX=$(FLASH_MAX) \
 		BOARD="$(BOARD)" \
diff --git a/target/linux/ramips/image/lzma-loader/src/Makefile b/target/linux/ramips/image/lzma-loader/src/Makefile
index d20cd77346..97fd6dad47 100644
--- a/target/linux/ramips/image/lzma-loader/src/Makefile
+++ b/target/linux/ramips/image/lzma-loader/src/Makefile
@@ -19,6 +19,7 @@ LOADADDR	:=
 LZMA_TEXT_START	:= 0x80a00000
 LOADER_DATA	:=
 BOARD		:=
+FLASH_START	:=
 FLASH_OFFS	:=
 FLASH_MAX	:=
 PLATFORM	:=
@@ -64,6 +65,10 @@ ifneq ($(strip $(KERNEL_CMDLINE)),)
 CFLAGS		+= -DCONFIG_KERNEL_CMDLINE='"$(KERNEL_CMDLINE)"'
 endif
 
+ifneq ($(strip $(FLASH_START)),)
+CFLAGS		+= -DCONFIG_FLASH_START=$(FLASH_START)
+endif
+
 ifneq ($(strip $(FLASH_OFFS)),)
 CFLAGS		+= -DCONFIG_FLASH_OFFS=$(FLASH_OFFS)
 endif
diff --git a/target/linux/ramips/image/lzma-loader/src/loader.c b/target/linux/ramips/image/lzma-loader/src/loader.c
index c73b60b351..a3513eccf1 100644
--- a/target/linux/ramips/image/lzma-loader/src/loader.c
+++ b/target/linux/ramips/image/lzma-loader/src/loader.c
@@ -28,9 +28,6 @@
 #include "printf.h"
 #include "LzmaDecode.h"
 
-#define AR71XX_FLASH_START	0x1f000000
-#define AR71XX_FLASH_END	0x1fe00000
-
 #define KSEG0			0x80000000
 #define KSEG1			0xa0000000
 
@@ -178,7 +175,7 @@ static void lzma_init_data(void)
 	unsigned long kernel_ofs;
 	unsigned long kernel_size;
 
-	flash_base = (unsigned char *) KSEG1ADDR(AR71XX_FLASH_START);
+	flash_base = (unsigned char *) KSEG1ADDR(CONFIG_FLASH_START);
 
 	printf("Looking for OpenWrt image... ");