diff --git a/bl1/bl1.ld.S b/bl1/bl1.ld.S
index 967ba32..0ca4a63 100644
--- a/bl1/bl1.ld.S
+++ b/bl1/bl1.ld.S
@@ -35,8 +35,8 @@
 ENTRY(bl1_entrypoint)
 
 MEMORY {
-    ROM (rx): ORIGIN = TZROM_BASE, LENGTH = TZROM_SIZE
-    RAM (rwx): ORIGIN = TZRAM_BASE, LENGTH = TZRAM_SIZE
+    ROM (rx): ORIGIN = BL1_RO_BASE, LENGTH = BL1_RO_LIMIT
+    RAM (rwx): ORIGIN = BL1_RW_BASE, LENGTH = BL1_RW_LIMIT
 }
 
 SECTIONS