diff --git a/configs/open1788/include/board.h b/configs/open1788/include/board.h
index 8ebe31a0fbd..b71ea577a0d 100644
--- a/configs/open1788/include/board.h
+++ b/configs/open1788/include/board.h
@@ -151,8 +151,8 @@
  * SDCARD_CLOCK=PCLK/(2*(SDCARD_CLKDIV+1))
  */
 
-#define SDCARD_SLOW_CLKDIV         74   /* 400Khz  */
-#define SDCARD_INIT_CLKDIV         (BOARD_PCLK_FREQUENCY/(2*(SDCARD_SLOW_CLKDIV+1)))
+#define SDCARD_CLKDIV_INIT         74   /* 400Khz  */
+#define SDCARD_INIT_CLKDIV         (BOARD_PCLK_FREQUENCY/(2*(SDCARD_CLKDIV_INIT+1)))
 
 #define SDCARD_NORMAL_CLKDIV       1    /* DMA ON:  SDCARD_CLOCK=15MHz */
 #define SDCARD_SLOW_CLKDIV         2    /* DMA OFF: SDCARD_CLOCK=10MHz */