diff --git a/ChangeLog b/ChangeLog
index 5b4bfc1..c664920 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2018-10-02  NIIBE Yutaka  <gniibe@fsij.org>
 
+	* src/stack-def.h (SIZE_0): Increase.
+
 	* chopstx: Update to 1.11.
 
 2018-10-01  NIIBE Yutaka  <gniibe@fsij.org>
diff --git a/src/main.c b/src/main.c
index dcd486b..9ebcc95 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,7 +1,7 @@
 /*
  * main.c - main routine of Gnuk
  *
- * Copyright (C) 2010, 2011, 2012, 2013, 2015, 2016, 2017
+ * Copyright (C) 2010, 2011, 2012, 2013, 2015, 2016, 2017, 2018
  *               Free Software Initiative of Japan
  * Author: NIIBE Yutaka <gniibe@fsij.org>
  *
diff --git a/src/stack-def.h b/src/stack-def.h
index 83ffcee..86715f4 100644
--- a/src/stack-def.h
+++ b/src/stack-def.h
@@ -3,7 +3,7 @@
 #define SIZE_2 4096
 #define SIZE_3 (5 * 4096)
 #else
-#define SIZE_0 0x0150 /* Main         */
+#define SIZE_0 0x0160 /* Main         */
 #define SIZE_1 0x01a0 /* CCID         */
 #define SIZE_2 0x0180 /* RNG          */
 #if MEMORY_SIZE >= 32