diff --git a/application.ld b/application.ld
index b6a4961..6fcd7bf 100644
--- a/application.ld
+++ b/application.ld
@@ -4,7 +4,7 @@
  * the first 4 bytes of the RAM is reserved for the DFU magic word (DFU! to start DFU bootloader)
  */
 
-/* Define memory regions. */
+/* define memory regions. */
 MEMORY
 {
 	rom (rx) : ORIGIN = 0x08000000 + 8K, LENGTH = 64K - 8K
@@ -19,9 +19,9 @@ PROVIDE(__flash_end = ORIGIN(rom) + LENGTH(rom));
 PROVIDE(__application_end = 0);
 PROVIDE(__flash_end = 0);
 */
-PROVIDE(__application_end = ORIGIN(rom) + LENGTH(rom));
-PROVIDE(__flash_end = ORIGIN(rom) + LENGTH(rom));
-
+PROVIDE(__application_end = 0);
+PROVIDE(__flash_end = 0);
+/* RAM location reserved so application can talk to bootloader and tell to start DFU */
 PROVIDE(__dfu_magic = ORIGIN(ram) - 4);
 
 /* include rest of the definitions for the STM32F1 family */