diff --git a/libraries/mbed/targets/hal/TARGET_STM/TARGET_STM32L1/rtc_api.c b/libraries/mbed/targets/hal/TARGET_STM/TARGET_STM32L1/rtc_api.c
index 9c69525438..ab3117b790 100755
--- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_STM32L1/rtc_api.c
+++ b/libraries/mbed/targets/hal/TARGET_STM/TARGET_STM32L1/rtc_api.c
@@ -35,7 +35,7 @@
 
 static int rtc_inited = 0;
 
-static RTC_HandleTypeDef RtcHandle;
+RTC_HandleTypeDef RtcHandle;
 
 void rtc_init(void)
 {