diff --git a/targets/TARGET_STM/mbed_rtx.h b/targets/TARGET_STM/mbed_rtx.h
index f4935483be..2c24d0a4db 100644
--- a/targets/TARGET_STM/mbed_rtx.h
+++ b/targets/TARGET_STM/mbed_rtx.h
@@ -108,6 +108,7 @@
        defined(TARGET_STM32F746NG) ||\
        defined(TARGET_STM32F746ZG) ||\
        defined(TARGET_STM32F756ZG) ||\
+       defined(TARGET_STM32L496AG) ||\
        defined(TARGET_STM32L496ZG))
 #define INITIAL_SP              (0x20050000UL)