diff --git a/libgloss/msp430/msp430-sim.ld b/libgloss/msp430/msp430-sim.ld
index 5c0e3b7a7..4af48398e 100644
--- a/libgloss/msp430/msp430-sim.ld
+++ b/libgloss/msp430/msp430-sim.ld
@@ -19,7 +19,7 @@ INCLUDE intr_vectors.ld
 
 MEMORY
 {
-  RAM (w) : ORIGIN = 0x00500, LENGTH = 0x0eb00
+  RAM (w) : ORIGIN = 0x00500, LENGTH = 0x0fac0 /* END=0xffbf */
 }
 
 SECTIONS
diff --git a/libgloss/msp430/msp430xl-sim.ld b/libgloss/msp430/msp430xl-sim.ld
index 5126e398a..8d03b5c38 100644
--- a/libgloss/msp430/msp430xl-sim.ld
+++ b/libgloss/msp430/msp430xl-sim.ld
@@ -26,7 +26,7 @@ INCLUDE intr_vectors.ld
 MEMORY
 {
   RAM (rw)     : ORIGIN = 0x00500, LENGTH = 0x01b00
-  ROM (rx)     : ORIGIN = 0x02000, LENGTH = 0x0df00
+  ROM (rx)     : ORIGIN = 0x02000, LENGTH = 0x0dfc0
   /* The regions from intr_vectors.ld go here.  */
   HIFRAM (rw)  : ORIGIN = 0x10000, LENGTH = 0x80000
   HIROM (rx)   : ORIGIN = 0x90000, LENGTH = 0x70000