diff --git a/ChangeLog b/ChangeLog
index 43f40e1..abe28b0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2017-10-09  NIIBE Yutaka  <gniibe@fsij.org>
+
+	* example-cdc/sample.ld (.process_stack, .main_stack): Add NOLOAD.
+
 2017-09-29  NIIBE Yutaka  <gniibe@fsij.org>
 
 	* mcu/sys-stm32f103.c (flash_program_halfword, flash_erase_page)
diff --git a/example-cdc/sample.ld b/example-cdc/sample.ld
index 09f59c2..e37ba91 100644
--- a/example-cdc/sample.ld
+++ b/example-cdc/sample.ld
@@ -73,7 +73,7 @@ SECTIONS
     _etext = .;
     _textdata = _etext;
 
-    .process_stack :
+    .process_stack (NOLOAD) :
     {
         . = ALIGN(8);
         *(.process_stack.3)
@@ -83,7 +83,7 @@ SECTIONS
         . = ALIGN(8);
     } > ram
 
-    .main_stack :
+    .main_stack (NOLOAD) :
     {
         . = ALIGN(8);
         *(.main_stack)