diff --git a/targets/TARGET_TT/TARGET_TT_M4G9/device/TOOLCHAIN_ARM_STD/tmpm4g9f15.sct b/targets/TARGET_TT/TARGET_TT_M4G9/device/TOOLCHAIN_ARM_STD/tmpm4g9f15.sct
index 83d49bdb2e..74f7394e47 100644
--- a/targets/TARGET_TT/TARGET_TT_M4G9/device/TOOLCHAIN_ARM_STD/tmpm4g9f15.sct
+++ b/targets/TARGET_TT/TARGET_TT_M4G9/device/TOOLCHAIN_ARM_STD/tmpm4g9f15.sct
@@ -22,6 +22,12 @@
   #define MBED_APP_SIZE 0x000180000
 #endif
 
+#if !defined(MBED_BOOT_STACK_SIZE)
+  #define MBED_BOOT_STACK_SIZE 0x400
+#endif
+
+#define Stack_Size MBED_BOOT_STACK_SIZE
+
 ; TMPM4G9: 1536 KB FLASH (0x180000) + 192 KB SRAM (0x30000)
 
 LR_IROM1 MBED_APP_START MBED_APP_SIZE ; load region size_region
@@ -33,9 +39,12 @@ LR_IROM1 MBED_APP_START MBED_APP_SIZE ; load region size_region
    .ANY (+RO)
   }
 
-  RW_IRAM1 0x20000320 (0x30000 - 0x320)
+  RW_IRAM1 0x20000320 (0x30000 - 0x320 - Stack_Size)
   {
      tmpm4g9_fc.o (+RO)
     .ANY (+RW, +ZI)
   }
+
+  ARM_LIB_STACK (0x20000320+0x30000) EMPTY -Stack_Size { ; stack
+  }
 }