diff --git a/lv_hal/lv_hal_tick.c b/lv_hal/lv_hal_tick.c
index 9e12e3f03a..cdbe55c75b 100644
--- a/lv_hal/lv_hal_tick.c
+++ b/lv_hal/lv_hal_tick.c
@@ -40,7 +40,7 @@ static volatile uint8_t tick_irq_flag;
  * You have to call this function periodically
  * @param tick_period the call period of this function in milliseconds
  */
-inline void LV_ATTRIBUTE_TICK_INC lv_tick_inc(uint32_t tick_period)
+LV_ATTRIBUTE_TICK_INC void lv_tick_inc(uint32_t tick_period)
 {
     tick_irq_flag = 0;
     sys_time += tick_period;
diff --git a/lv_hal/lv_hal_tick.h b/lv_hal/lv_hal_tick.h
index 574a0e11c1..aa0ee3d451 100644
--- a/lv_hal/lv_hal_tick.h
+++ b/lv_hal/lv_hal_tick.h
@@ -35,7 +35,7 @@ extern "C" {
  * You have to call this function periodically
  * @param tick_period the call period of this function in milliseconds
  */
-void lv_tick_inc(uint32_t tick_period);
+LV_ATTRIBUTE_TICK_INC void lv_tick_inc(uint32_t tick_period);
 
 /**
  * Get the elapsed milliseconds since start up
diff --git a/lv_misc/lv_task.c b/lv_misc/lv_task.c
index f5988b686c..0405fb55e1 100644
--- a/lv_misc/lv_task.c
+++ b/lv_misc/lv_task.c
@@ -55,7 +55,7 @@ void lv_task_init(void)
 /**
  * Call it  periodically to handle lv_tasks.
  */
-inline void LV_ATTRIBUTE_TASK_HANDLER lv_task_handler(void)
+LV_ATTRIBUTE_TASK_HANDLER void lv_task_handler(void)
 {
     static uint32_t idle_period_start = 0;
     static uint32_t handler_start = 0;
diff --git a/lv_misc/lv_task.h b/lv_misc/lv_task.h
index 3580994990..47097df214 100644
--- a/lv_misc/lv_task.h
+++ b/lv_misc/lv_task.h
@@ -67,7 +67,7 @@ void lv_task_init(void);
 /**
  * Call it  periodically to handle lv_tasks.
  */
-void lv_task_handler(void);
+LV_ATTRIBUTE_TASK_HANDLER void lv_task_handler(void);
 
 /**
  * Create a new lv_task