diff --git a/nuttx-configs/px4fmu-v5/scripts/ld.script b/nuttx-configs/px4fmu-v5/scripts/ld.script
index 1fa88ca690..737f860d24 100644
--- a/nuttx-configs/px4fmu-v5/scripts/ld.script
+++ b/nuttx-configs/px4fmu-v5/scripts/ld.script
@@ -64,12 +64,15 @@
  * When booting from FLASH, FLASH memory is aliased to address 0x0000:0000
  * where the code expects to begin execution by jumping to the entry point in
  * the 0x0800:0000 address range.
+ *
+ * Bootloader reserves the first 32K bank (2 Mbytes Flash memory single bank)
+ * organization (256 bits read width)
  */
 
 MEMORY
 {
-    itcm  (rwx) : ORIGIN = 0x00200000, LENGTH = 2048K
-    flash (rx)  : ORIGIN = 0x08000000, LENGTH = 2048K
+    itcm  (rwx) : ORIGIN = 0x00208000, LENGTH = 2016K
+    flash (rx)  : ORIGIN = 0x08008000, LENGTH = 2016K
     dtcm  (rwx) : ORIGIN = 0x20000000, LENGTH = 128K
     sram1 (rwx) : ORIGIN = 0x20020000, LENGTH = 368K
     sram2 (rwx) : ORIGIN = 0x2007c000, LENGTH = 16K