1 files changed, 1 insertions, 0 deletions
diff --git a/app/main.c b/app/main.c
index 6116a5b..703d366 100644
--- a/app/main.c
+++ b/app/main.c
@@ -49,6 +49,7 @@ static void
 board_setup (void)
 {
   rcc_osc_bypass_enable (HSE);
+  RCC_SSCGR=0;
   rcc_clock_setup_hse_3v3 (&hse_10mhz_3v3_168);
 
   rcc_periph_clock_enable (RCC_SYSCFG);