diff --git a/kernel/trunk/core/heap.inc b/kernel/trunk/core/heap.inc
index 67c9d0216..9a2ee6e51 100644
--- a/kernel/trunk/core/heap.inc
+++ b/kernel/trunk/core/heap.inc
@@ -578,7 +578,7 @@ restore block_flags
 
 ;;;;;;;;;;;;;;      USER     ;;;;;;;;;;;;;;;;;
 
-HEAP_TOP  equ 0x5FC00000
+HEAP_TOP  equ 0x80000000
 
 align 4
 proc init_heap
diff --git a/kernel/trunk/data32.inc b/kernel/trunk/data32.inc
index adc9e73a1..0d8e7da3b 100644
--- a/kernel/trunk/data32.inc
+++ b/kernel/trunk/data32.inc
@@ -156,8 +156,8 @@ dll_list:
  .bk           dd dll_list
  .fd           dd dll_list
 
-MAX_DEFAULT_DLL_ADDR = 0x20000000
-MIN_DEFAULT_DLL_ADDR = 0x10000000
+MAX_DEFAULT_DLL_ADDR = 0x80000000
+MIN_DEFAULT_DLL_ADDR = 0x70000000
 dll_cur_addr   dd MIN_DEFAULT_DLL_ADDR
 
 ; supported videomodes