diff --git a/configs/qemu-x86_defconfig b/configs/qemu-x86_defconfig
index 6493fef..218026b 100644
--- a/configs/qemu-x86_defconfig
+++ b/configs/qemu-x86_defconfig
@@ -1,5 +1,6 @@
 CONFIG_X86=y
 CONFIG_SYS_TEXT_BASE=0xFFF00000
+CONFIG_SYS_MALLOC_F_LEN=0x1000
 CONFIG_NR_DRAM_BANKS=8
 CONFIG_ENV_SIZE=0x40000
 CONFIG_MAX_CPUS=2