diff --git a/others/planck.c b/others/planck.c
index c078d98..6114f4c 100644
--- a/others/planck.c
+++ b/others/planck.c
@@ -19,7 +19,7 @@ typedef void (**cfa)();
 #define CELL            sizeof(cell)
 #define STACK_SIZE      1024
 #define RSTACK_SIZE     1024
-#define MEMORY_SIZE     0x100000
+#define MEMORY_SIZE     0x20000
 
 typedef struct builtin {
     struct builtin *prev;
diff --git a/others/planck.py b/others/planck.py
index 90f57f8..d72e3a6 100644
--- a/others/planck.py
+++ b/others/planck.py
@@ -7,7 +7,7 @@ import os
 import sys
 import operator
 
-MEMORY_SIZE = 0x08000000
+MEMORY_SIZE = 0x20000
 STACK_SIZE = 0x400
 RSTACK_SIZE = 0x400
 HERE_CELL = 0
diff --git a/planck.xxd b/planck.xxd
index 9fe3d23..2e09669 100644
--- a/planck.xxd
+++ b/planck.xxd
@@ -7,13 +7,13 @@
 00000030: 0000 0000 0100 0000   e_shnum,e_shstrndx,<phdr>p_type=PT_LOAD
 00000038: 0000 0000 0080 0408   p_offset,p_vaddr=0x08048000
 00000040: 0000 0000 f003 0000   p_paddr,p_filesz
-00000048: 0000 0008 0700 0000   p_memsz(128MB),p_flags=PF_X|PF_W|PF_R
+00000048: 0000 2000 0700 0000   p_memsz(128KB),p_flags=PF_X|PF_W|PF_R
 00000050: 0010 0000 f083 0408   p_align, <here>
 00000058: d083 0408 0000 0000   <latest:init="v">, <sp0>
 00000060: f080 0408 7081 0408   <interpreter>key, find
 00000068: a081 0408 4081 0408   execute, jump
 00000070: f0ff ffff be60 8004   -16, movl $interpreter, %esi
-00000078: 08bd 0080 0410 8925   movl $0x10048000,%ebp; movl %esp,sp0;
+00000078: 08bd 0080 0608 8925   movl $0x08068000,%ebp; movl %esp,sp0;
 00000080: 5c80 0408 adff 2000   next;
 
 00000088: 0000 0000 0151 0000   Q: quit