diff --git a/configs/stm3220g-eval/include/board.h b/configs/stm3220g-eval/include/board.h
index be9bb886ddb..dc2f04b9e49 100644
--- a/configs/stm3220g-eval/include/board.h
+++ b/configs/stm3220g-eval/include/board.h
@@ -185,12 +185,12 @@
 #  define SDIO_MMCXFR_CLKDIV    (2 << SDIO_CLKCR_CLKDIV_SHIFT)
 #endif
 
-/* DMA ON:  SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(0+2)= 24 MHz
+/* DMA ON:  SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(1+2)= 16 MHz
  * DMA OFF: SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(2+2)= 12 MHz
  */
 
 #ifdef CONFIG_SDIO_DMA
-#  define SDIO_SDXFR_CLKDIV     (0 << SDIO_CLKCR_CLKDIV_SHIFT)
+#  define SDIO_SDXFR_CLKDIV     (1 << SDIO_CLKCR_CLKDIV_SHIFT)
 #else
 #  define SDIO_SDXFR_CLKDIV     (2 << SDIO_CLKCR_CLKDIV_SHIFT)
 #endif
diff --git a/configs/stm3240g-eval/include/board.h b/configs/stm3240g-eval/include/board.h
index a438dcc1bbc..65835526337 100755
--- a/configs/stm3240g-eval/include/board.h
+++ b/configs/stm3240g-eval/include/board.h
@@ -182,12 +182,12 @@
 #  define SDIO_MMCXFR_CLKDIV    (2 << SDIO_CLKCR_CLKDIV_SHIFT) 
 #endif
 
-/* DMA ON:  HSDIOCLK=48MHz, SDIO_CK=SDIOCLK/(0+2)=24 MHz
+/* DMA ON:  SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(1+2)=16 MHz
  * DMA OFF: SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(2+2)=12 MHz
  */
 
 #ifdef CONFIG_SDIO_DMA
-#  define SDIO_SDXFR_CLKDIV     (0 << SDIO_CLKCR_CLKDIV_SHIFT)
+#  define SDIO_SDXFR_CLKDIV     (1 << SDIO_CLKCR_CLKDIV_SHIFT)
 #else
 #  define SDIO_SDXFR_CLKDIV     (2 << SDIO_CLKCR_CLKDIV_SHIFT)
 #endif