diff --git a/os/hal/src/mmc_spi.c b/os/hal/src/mmc_spi.c
index 7d5280dbe..0a1c310c7 100644
--- a/os/hal/src/mmc_spi.c
+++ b/os/hal/src/mmc_spi.c
@@ -402,6 +402,7 @@ void mmcStop(MMCDriver *mmcp) {
 bool_t mmcConnect(MMCDriver *mmcp) {
   unsigned i;
   bool_t result;
+  uint8_t r3[4];
 
   chDbgCheck(mmcp != NULL, "mmcConnect");
 
@@ -430,10 +431,9 @@ bool_t mmcConnect(MMCDriver *mmcp) {
      * by ElmChan.
      *
      * */
-    uint8_t r3[4];
-    if(send_command_R3(mmcp, MMC_CMDINTERFACE_CONDITION, 0x01AA, r3) != 0x05){
+    if(send_command_R3(mmcp, MMC_CMDINTERFACE_CONDITION, 0x01AA, r3) != 0x05) {
 
-      /* Switch to SDHC mode */
+      /* Switch to SDHC mode.*/
       i = 0;
       while (TRUE) {
         if ((send_command_R1(mmcp, MMC_CMDAPP, 0) == 0x01) &&
diff --git a/readme.txt b/readme.txt
index a5f89680e..15aab59f1 100644
--- a/readme.txt
+++ b/readme.txt
@@ -79,6 +79,8 @@
 *****************************************************************************
 
 *** 2.4.3 ***
+- FIX: Fixed mmc_spi.c won't compile due to misplaced declaration (bug
+  3570035).
 - FIX: Fixed GPIO glitch during PAL initialization (bug 3569347).
 - FIX: Fixed STM32F1x rtc_lld_init glitches rtc on hard reset (bug 3567597).
 - FIX: Fixed STM8L, cosmic compiler: c_lreg not saved (bug 3566342).