diff --git a/configs/xilinx_zynq_virt_defconfig b/configs/xilinx_zynq_virt_defconfig
index fb4e72b..b3834b4 100644
--- a/configs/xilinx_zynq_virt_defconfig
+++ b/configs/xilinx_zynq_virt_defconfig
@@ -47,6 +47,7 @@
 CONFIG_SYS_MAXARGS=32
 CONFIG_SYS_PBSIZE=2071
 # CONFIG_BOOTM_NETBSD is not set
+CONFIG_SYS_BOOTM_LEN=0x3c00000
 CONFIG_CMD_IMLS=y
 CONFIG_CMD_THOR_DOWNLOAD=y
 CONFIG_CMD_MEMTEST=y