diff --git a/sources/sysinit.h b/sources/sysinit.h
index f8520bf..ec097a0 100644
--- a/sources/sysinit.h
+++ b/sources/sysinit.h
@@ -15,8 +15,8 @@ extern void wait_10us(void);
 #define uart_out_word(a)	MCF_PSC0_PSCTB_8BIT = (a);
 
 /* adresses where FPGA data lives in flash */
-static const uint8_t *FPGA_FLASH_DATA = (uint8_t *) 0xe0700000L;
-static const uint8_t *FPGA_FLASH_DATA_END = (uint8_t *) 0xe0800000L;
+#define FPGA_FLASH_DATA ((uint8_t *) 0xe0700000L)
+#define FPGA_FLASH_DATA_END ((uint8_t *) 0xe0800000L)
 
 /* function(s) from init_fpga.c */
 extern void init_fpga(void);