diff --git a/drivers/timer/stm32_lptim_timer.c b/drivers/timer/stm32_lptim_timer.c
index 55620dde46857..6012fd7c2b357 100644
--- a/drivers/timer/stm32_lptim_timer.c
+++ b/drivers/timer/stm32_lptim_timer.c
@@ -10,6 +10,7 @@
 #include <stm32_ll_bus.h>
 #include <stm32_ll_rcc.h>
 #include <stm32_ll_pwr.h>
+#include <stm32_ll_system.h>
 #include <drivers/clock_control.h>
 #include <drivers/clock_control/stm32_clock_control.h>
 #include <drivers/timer/system_timer.h>