diff --git a/boards/arm/stm32/stm32f4discovery/src/stm32_usbmsc.c b/boards/arm/stm32/stm32f4discovery/src/stm32_usbmsc.c
index a209fc1c79..14d557c7b6 100644
--- a/boards/arm/stm32/stm32f4discovery/src/stm32_usbmsc.c
+++ b/boards/arm/stm32/stm32f4discovery/src/stm32_usbmsc.c
@@ -63,7 +63,7 @@ int board_usbmsc_initialize(int port)
    */
 
 #ifndef CONFIG_NSH_BUILTIN_APPS
-  return stm32_sdinitialize(CONFIG_SYSTEM_USBMSC_DEVMINOR1);
+  return stm32_mmcsd_initialize(2, CONFIG_SYSTEM_USBMSC_DEVMINOR1);
 #else
   return OK;
 #endif