diff --git a/cpu/lm4f120/ldscripts/LM4F120H5QR.ld b/cpu/lm4f120/ldscripts/LM4F120H5QR.ld
index 3f22b85105fbb85907e0c1f0d63f030942a14515..798e0b5966a4d9668503041d70c1f44c79fe9f2b 100644
--- a/cpu/lm4f120/ldscripts/LM4F120H5QR.ld
+++ b/cpu/lm4f120/ldscripts/LM4F120H5QR.ld
@@ -20,7 +20,7 @@
 MEMORY
 {
     rom (rx)    : ORIGIN = 0x00000000, LENGTH = 256K
-    ram (rwx)   : ORIGIN = 0x20000000, LENGTH = 32K
+    ram (w!rx)  : ORIGIN = 0x20000000, LENGTH = 32K
 }
 
 INCLUDE cortexm_base.ld