diff --git a/arch/arm/configs/spacecast_defconfig b/arch/arm/configs/spacecast_defconfig
index ccd31b9..07779bc 100644
--- a/arch/arm/configs/spacecast_defconfig
+++ b/arch/arm/configs/spacecast_defconfig
@@ -1,9 +1,9 @@
 CONFIG_COMCERTO_BOOTLOADER=y
 CONFIG_TEXT_BASE=0x1000000
 CONFIG_MEMORY_LAYOUT_FIXED=y
-CONFIG_STACK_BASE=0x05000000
-CONFIG_MALLOC_BASE=0x05008000
-CONFIG_MALLOC_SIZE=0x0AFF8000
+CONFIG_STACK_BASE=0x09000000
+CONFIG_MALLOC_BASE=0x09008000
+CONFIG_MALLOC_SIZE=0x06FF8000
 CONFIG_EXPERIMENTAL=y
 CONFIG_PROMPT="Barebox-SC >"
 CONFIG_LONGHELP=y