diff --git a/targets/TARGET_ARM_SSG/TARGET_CM3DS_MPS2/device/TOOLCHAIN_ARM_STD/startup_MPS2.S b/targets/TARGET_ARM_SSG/TARGET_CM3DS_MPS2/device/TOOLCHAIN_ARM_STD/startup_MPS2.S
index 8399347cf7..de0211858a 100644
--- a/targets/TARGET_ARM_SSG/TARGET_CM3DS_MPS2/device/TOOLCHAIN_ARM_STD/startup_MPS2.S
+++ b/targets/TARGET_ARM_SSG/TARGET_CM3DS_MPS2/device/TOOLCHAIN_ARM_STD/startup_MPS2.S
@@ -22,7 +22,7 @@
  *
  */
 
-#include "memory_zones.h"
+#include "../memory_zones.h"
 
 __initial_sp    EQU     ZBT_SSRAM23_START + ZBT_SSRAM23_SIZE ; Top of ZBT SSRAM2 and 3, used for data