diff --git a/targets/targets.json b/targets/targets.json
index f84233c4e6..16de56110a 100644
--- a/targets/targets.json
+++ b/targets/targets.json
@@ -8818,6 +8818,7 @@
             }
         },
         "overrides": {
+            "mpu-rom-end": "0x1fffffff",
             "tickless-from-us-ticker": true
         },
         "inherits": ["Target"],