diff --git a/targets/TARGET_Maxim/TARGET_MAX32620C/device/TOOLCHAIN_ARM_STD/MAX32620.sct b/targets/TARGET_Maxim/TARGET_MAX32620C/device/TOOLCHAIN_ARM_STD/MAX32620.sct
index 1d961e5ebf..3ee0dabd9e 100644
--- a/targets/TARGET_Maxim/TARGET_MAX32620C/device/TOOLCHAIN_ARM_STD/MAX32620.sct
+++ b/targets/TARGET_Maxim/TARGET_MAX32620C/device/TOOLCHAIN_ARM_STD/MAX32620.sct
@@ -35,16 +35,19 @@
 #define Stack_Size MBED_CONF_TARGET_BOOT_STACK_SIZE
 #define RAM_FIXED_SIZE  (Stack_Size + VECTOR_SIZE)
 
+#define MBED_RAM1_START (MBED_RAM_START+VECTOR_SIZE)
+#define MBED_RAM1_SIZE (MBED_RAM_SIZE-RAM_FIXED_SIZE)
+
 LR_IROM1 MBED_APP_START MBED_APP_SIZE  {    ; load region size_region
     ER_IROM1 MBED_APP_START MBED_APP_SIZE  {  ; load address = execution address 
         *.o (RESET, +First)
         *(InRoot$$Sections)
         .ANY (+RO)
     }
-    RW_IRAM1 (MBED_RAM_START+VECTOR_SIZE) (MBED_RAM_SIZE-RAM_FIXED_SIZE)  {  ; RW data
+    RW_IRAM1 MBED_RAM1_START MBED_RAM1_SIZE  {  ; RW data
         .ANY (+RW +ZI)
     }
-    ARM_LIB_HEAP AlignExpr(+0, +16) EMPTY (MBED_RAM_SIZE - RAM_FIXED_SIZE - (AlignExpr(ImageLimit(RW_IRAM1), 16) - MBED_RAM_START)){ ; heap region growing up
+    ARM_LIB_HEAP AlignExpr(+0, +16) EMPTY (MBED_RAM_SIZE - RAM_FIXED_SIZE - (AlignExpr(ImageLimit(RW_IRAM1), 16) - MBED_RAM1_START)){ ; heap region growing up
     }
     ARM_LIB_STACK (MBED_RAM_START+MBED_RAM_SIZE) EMPTY -Stack_Size { ; stack region growing down
     }
diff --git a/targets/TARGET_Maxim/TARGET_MAX32625/device/TOOLCHAIN_ARM_STD/TARGET_MAX32625_BOOT/MAX32625.sct b/targets/TARGET_Maxim/TARGET_MAX32625/device/TOOLCHAIN_ARM_STD/TARGET_MAX32625_BOOT/MAX32625.sct
index ba7ed27e93..386dd7d32d 100644
--- a/targets/TARGET_Maxim/TARGET_MAX32625/device/TOOLCHAIN_ARM_STD/TARGET_MAX32625_BOOT/MAX32625.sct
+++ b/targets/TARGET_Maxim/TARGET_MAX32625/device/TOOLCHAIN_ARM_STD/TARGET_MAX32625_BOOT/MAX32625.sct
@@ -32,6 +32,9 @@
 #define Stack_Size MBED_CONF_TARGET_BOOT_STACK_SIZE
 #define RAM_FIXED_SIZE  (Stack_Size + VECTOR_SIZE)
 
+#define MBED_RAM1_START (MBED_RAM_START+VECTOR_SIZE)
+#define MBED_RAM1_SIZE (MBED_RAM_SIZE-RAM_FIXED_SIZE)
+
 LR_IROM1 MBED_APP_START MBED_APP_SIZE  {    ; load region size_region
     ER_IROM1 MBED_APP_START MBED_APP_SIZE  {  ; load address = execution address
         *.o (RESET, +First)
@@ -39,11 +42,11 @@ LR_IROM1 MBED_APP_START MBED_APP_SIZE  {    ; load region size_region
         .ANY (+RO)
     }
 
-    RW_IRAM1 (MBED_RAM_START+VECTOR_SIZE) (MBED_RAM_SIZE-RAM_FIXED_SIZE)  {  ; RW data
+    RW_IRAM1 MBED_RAM1_START MBED_RAM1_SIZE  {  ; RW data
         .ANY (+RW +ZI)
     }
 
-    ARM_LIB_HEAP AlignExpr(+0, +16) EMPTY (MBED_RAM_SIZE - RAM_FIXED_SIZE - (AlignExpr(ImageLimit(RW_IRAM1), 16) - MBED_RAM_START)){ ; heap region growing up
+    ARM_LIB_HEAP AlignExpr(+0, +16) EMPTY (MBED_RAM_SIZE - RAM_FIXED_SIZE - (AlignExpr(ImageLimit(RW_IRAM1), 16) - MBED_RAM1_START)){ ; heap region growing up
     }
     ARM_LIB_STACK (MBED_RAM_START+MBED_RAM_SIZE) EMPTY -Stack_Size { ; stack region growing down
     }
diff --git a/targets/TARGET_Maxim/TARGET_MAX32625/device/TOOLCHAIN_ARM_STD/TARGET_MAX32625_NO_BOOT/MAX32625.sct b/targets/TARGET_Maxim/TARGET_MAX32625/device/TOOLCHAIN_ARM_STD/TARGET_MAX32625_NO_BOOT/MAX32625.sct
index d94fa6ddba..8b1b8ec152 100644
--- a/targets/TARGET_Maxim/TARGET_MAX32625/device/TOOLCHAIN_ARM_STD/TARGET_MAX32625_NO_BOOT/MAX32625.sct
+++ b/targets/TARGET_Maxim/TARGET_MAX32625/device/TOOLCHAIN_ARM_STD/TARGET_MAX32625_NO_BOOT/MAX32625.sct
@@ -32,6 +32,9 @@
 #define Stack_Size MBED_CONF_TARGET_BOOT_STACK_SIZE
 #define RAM_FIXED_SIZE  (Stack_Size + VECTOR_SIZE)
 
+#define MBED_RAM1_START (MBED_RAM_START+VECTOR_SIZE)
+#define MBED_RAM1_SIZE (MBED_RAM_SIZE-RAM_FIXED_SIZE)
+
 LR_IROM1 MBED_APP_START MBED_APP_SIZE  {    ; load region size_region
     ER_IROM1 MBED_APP_START MBED_APP_SIZE  {  ; load address = execution address 
         *.o (RESET, +First)
@@ -40,10 +43,10 @@ LR_IROM1 MBED_APP_START MBED_APP_SIZE  {    ; load region size_region
     }
 
     ; [RAM] Vector table dynamic copy: 68 vectors * 4 bytes = 272 (0x110)
-    RW_IRAM1 (MBED_RAM_START+VECTOR_SIZE) (MBED_RAM_SIZE-RAM_FIXED_SIZE)  {  ; RW data
+    RW_IRAM1 MBED_RAM1_START MBED_RAM1_SIZE  {  ; RW data
         .ANY (+RW +ZI)
     }
-    ARM_LIB_HEAP AlignExpr(+0, +16) EMPTY (MBED_RAM_SIZE - RAM_FIXED_SIZE - (AlignExpr(ImageLimit(RW_IRAM1), 16) - MBED_RAM_START)){ ; heap region growing up
+    ARM_LIB_HEAP AlignExpr(+0, +16) EMPTY (MBED_RAM_SIZE - RAM_FIXED_SIZE - (AlignExpr(ImageLimit(RW_IRAM1), 16) - MBED_RAM1_START)){ ; heap region growing up
     }
     ARM_LIB_STACK (MBED_RAM_START+MBED_RAM_SIZE) EMPTY -Stack_Size { ; stack region growing down
     }
diff --git a/targets/TARGET_Maxim/TARGET_MAX32630/device/TOOLCHAIN_ARM_STD/MAX3263x.sct b/targets/TARGET_Maxim/TARGET_MAX32630/device/TOOLCHAIN_ARM_STD/MAX3263x.sct
index b8258fcffc..667e904466 100644
--- a/targets/TARGET_Maxim/TARGET_MAX32630/device/TOOLCHAIN_ARM_STD/MAX3263x.sct
+++ b/targets/TARGET_Maxim/TARGET_MAX32630/device/TOOLCHAIN_ARM_STD/MAX3263x.sct
@@ -33,6 +33,9 @@
 #define Stack_Size MBED_CONF_TARGET_BOOT_STACK_SIZE
 #define RAM_FIXED_SIZE  (Stack_Size + VECTOR_SIZE)
 
+#define MBED_RAM1_START (MBED_RAM_START+VECTOR_SIZE)
+#define MBED_RAM1_SIZE (MBED_RAM_SIZE-RAM_FIXED_SIZE)
+
 LR_IROM1 MBED_APP_START MBED_APP_SIZE  {    ; load region size_region
     ER_IROM1 MBED_APP_START MBED_APP_SIZE  {  ; load address = execution address 
         *.o (RESET, +First)
@@ -41,10 +44,10 @@ LR_IROM1 MBED_APP_START MBED_APP_SIZE  {    ; load region size_region
     }
 
     ; [RAM] Vector table dynamic copy: 68 vectors * 4 bytes = 272 (0x110)
-    RW_IRAM1 (MBED_RAM_START+VECTOR_SIZE) (MBED_RAM_SIZE-RAM_FIXED_SIZE)  {  ; RW data
+    RW_IRAM1 MBED_RAM1_START MBED_RAM1_SIZE  {  ; RW data
         .ANY (+RW +ZI)
     }
-    ARM_LIB_HEAP AlignExpr(+0, +16) EMPTY (MBED_RAM_SIZE - RAM_FIXED_SIZE - (AlignExpr(ImageLimit(RW_IRAM1), 16) - MBED_RAM_START)){ ; heap region growing up
+    ARM_LIB_HEAP AlignExpr(+0, +16) EMPTY (MBED_RAM_SIZE - RAM_FIXED_SIZE - (AlignExpr(ImageLimit(RW_IRAM1), 16) - MBED_RAM1_START)){ ; heap region growing up
     }
     ARM_LIB_STACK (MBED_RAM_START+MBED_RAM_SIZE) EMPTY -Stack_Size { ; stack region growing down
     }