diff --git a/arch/arm/src/stm32f7/stm32_sdmmc.c b/arch/arm/src/stm32f7/stm32_sdmmc.c
index 4f2b7a8d01..dbeb880f93 100644
--- a/arch/arm/src/stm32f7/stm32_sdmmc.c
+++ b/arch/arm/src/stm32f7/stm32_sdmmc.c
@@ -2694,6 +2694,10 @@ static int stm32_dmasendsetup(FAR struct sdio_dev_s *dev,
   stm32_sampleinit();
   stm32_sample(priv, SAMPLENDX_BEFORE_SETUP);
 
+  /* Flush cache to physical memory */
+
+  arch_flush_dcache((uintptr_t)buffer, (uintptr_t)buffer + buflen);
+
   /* Save the source buffer information for use by the interrupt handler */
 
   priv->buffer    = (uint32_t *)buffer;
@@ -2712,10 +2716,6 @@ static int stm32_dmasendsetup(FAR struct sdio_dev_s *dev,
 
   stm32_sample(priv, SAMPLENDX_BEFORE_ENABLE);
 
-  /* Flush cache to physical memory */
-
-  arch_flush_dcache((uintptr_t)buffer, (uintptr_t)buffer + buflen);
-
   /* Start the DMA */
 
   stm32_dmastart(priv->dma, stm32_dmacallback, priv, false);