1 files changed, 1 insertions, 1 deletions

diff --git a/firmware/usb.c b/firmware/usb.c
index f1c8f37541..90537f9a84 100644
--- a/firmware/usb.c
+++ b/firmware/usb.c
@@ -74,7 +74,7 @@ static int usb_mmc_countdown = 0;
 
 /* FIXME: The extra 0x400 is consumed by fat_mount() when the fsinfo
    needs updating */
-static char usb_stack[DEFAULT_STACK_SIZE + 0x400];
+static long usb_stack[(DEFAULT_STACK_SIZE + 0x400)/4];
 static const char usb_thread_name[] = "usb";
 static struct event_queue usb_queue;
 static bool last_usb_status;