diff --git a/port/stm32-sx1280/Src/main.c b/port/stm32-sx1280/Src/main.c
index b8c8261bf..e69a1025a 100644
--- a/port/stm32-sx1280/Src/main.c
+++ b/port/stm32-sx1280/Src/main.c
@@ -71,9 +71,6 @@ void btstack_port(void);
 
 /* Private user code ---------------------------------------------------------*/
 /* USER CODE BEGIN 0 */
-uint32_t hal_time_ms(void){
-  return HAL_GetTick();
-}
 
 /* USER CODE END 0 */
 
diff --git a/port/stm32-sx1280/port/btstack_port.c b/port/stm32-sx1280/port/btstack_port.c
index 199db55d3..e9e4bf610 100644
--- a/port/stm32-sx1280/port/btstack_port.c
+++ b/port/stm32-sx1280/port/btstack_port.c
@@ -64,6 +64,12 @@ void btstack_assert_failed(const char * file, uint16_t line_nr){
     while (1);
 }
 
+/** hal_time_ms.h */
+#include "hal_time_ms.h"
+uint32_t hal_time_ms(void){
+    return HAL_GetTick();
+}
+
 /** hal_cpu.h */
 
 // TODO: implement