diff --git a/os/hal/boards/ST_STM32F769I_DISCOVERY/board.h b/os/hal/boards/ST_STM32F769I_DISCOVERY/board.h
index 26cfa2ae7..d3c2dd1b4 100644
--- a/os/hal/boards/ST_STM32F769I_DISCOVERY/board.h
+++ b/os/hal/boards/ST_STM32F769I_DISCOVERY/board.h
@@ -1239,8 +1239,8 @@
                                      PIN_PUPDR_PULLUP(GPIOG_EXT_SDA) |      \
                                      PIN_PUPDR_PULLUP(GPIOG_SAI1_MCLKA) |   \
                                      PIN_PUPDR_FLOATING(GPIOG_FMC_SDCLK) |  \
-                                     PIN_PUPDR_PULLUP(GPIOG_SD_D0) |        \
-                                     PIN_PUPDR_PULLUP(GPIOG_SD_D1) |        \
+                                     PIN_PUPDR_FLOATING(GPIOG_SD_D0) |      \
+                                     PIN_PUPDR_FLOATING(GPIOG_SD_D1) |      \
                                      PIN_PUPDR_FLOATING(GPIOG_RMII_TX_EN) | \
                                      PIN_PUPDR_FLOATING(GPIOG_SPDIF_RX) |   \
                                      PIN_PUPDR_FLOATING(GPIOG_RMII_TXD0) |  \
diff --git a/os/hal/boards/ST_STM32F769I_DISCOVERY/cfg/board.chcfg b/os/hal/boards/ST_STM32F769I_DISCOVERY/cfg/board.chcfg
index 9605e58d7..29d29c70f 100644
--- a/os/hal/boards/ST_STM32F769I_DISCOVERY/cfg/board.chcfg
+++ b/os/hal/boards/ST_STM32F769I_DISCOVERY/cfg/board.chcfg
@@ -891,7 +891,7 @@
         Type="PushPull"
         Level="High"
         Speed="Maximum"
-        Resistor="PullUp"
+        Resistor="Floating"
         Mode="Alternate"
         Alternate="11" />
       <pin10
@@ -899,7 +899,7 @@
         Type="PushPull"
         Level="High"
         Speed="Maximum"
-        Resistor="PullUp"
+        Resistor="Floating"
         Mode="Alternate"
         Alternate="11" />
       <pin11