1 files changed, 4 insertions, 1 deletions
diff --git a/demos/ARMCM4-STM32F407-DISCOVERY-G++/main.cpp b/demos/ARMCM4-STM32F407-DISCOVERY-G++/main.cpp
index 2275d6702..426d2b336 100644
--- a/demos/ARMCM4-STM32F407-DISCOVERY-G++/main.cpp
+++ b/demos/ARMCM4-STM32F407-DISCOVERY-G++/main.cpp
@@ -151,7 +151,7 @@ static SequencerThread blinker2(LED4_sequence);
 static SequencerThread blinker3(LED5_sequence);
 static SequencerThread blinker4(LED6_sequence);
 
-static FatFSWrapper fs(NULL);
+static FatFSWrapper fs;
 
 /*
  * Application entry point.
@@ -168,6 +168,9 @@ int main(void) {
   halInit();
   System::init();
 
+  fs.mount();
+  fs.unmount();
+
   /*
    * Activates the serial driver 2 using the driver default configuration.
    * PA2(TX) and PA3(RX) are routed to USART2.