diff --git a/firmware/libopencm3 b/firmware/libopencm3
index 854c112a..8ceeebcc 160000
--- a/firmware/libopencm3
+++ b/firmware/libopencm3
@@ -1 +1 @@
-Subproject commit 854c112a0ea7b27e85a15345507c8a2e13e76607
+Subproject commit 8ceeebcca993d4994522e9fdfc8ee85e363efadd
diff --git a/firmware/startup_systick/startup_systick.c b/firmware/startup_systick/startup_systick.c
index d4c8517e..25a85d65 100644
--- a/firmware/startup_systick/startup_systick.c
+++ b/firmware/startup_systick/startup_systick.c
@@ -41,7 +41,7 @@ void systick_setup(void)
 	__asm__("cpsid i");
 
 	/* Set processor Clock as Source Clock */
-	systick_set_clocksource(STK_CTRL_CLKSOURCE);
+	systick_set_clocksource(STK_CSR_CLKSOURCE);
 
 	/* Get SysTick calibration value to obtain by default 1 tick = 10ms */
 	systick_reload_val = systick_get_calib();
diff --git a/firmware/startup_systick_perfo/startup_systick.c b/firmware/startup_systick_perfo/startup_systick.c
index 26c1fcc0..5271eff9 100644
--- a/firmware/startup_systick_perfo/startup_systick.c
+++ b/firmware/startup_systick_perfo/startup_systick.c
@@ -41,7 +41,7 @@ void systick_setup(void)
 	__asm__("cpsid i");
 
 	/* Set processor Clock as Source Clock */
-	systick_set_clocksource(STK_CTRL_CLKSOURCE);
+	systick_set_clocksource(STK_CSR_CLKSOURCE);
 
 	/* Get SysTick calibration value to obtain by default 1 tick = 10ms */
 	systick_reload_val = systick_get_calib();