diff --git a/configs/x86_64.config b/configs/x86_64.config
index 46905763a7..4376d1dd85 100644
--- a/configs/x86_64.config
+++ b/configs/x86_64.config
@@ -5,7 +5,7 @@ CONFIG_TARGET_x86_64_DEVICE_generic=y
 
 # Set Firmware Size
 CONFIG_TARGET_KERNEL_PARTSIZE=64
-CONFIG_TARGET_ROOTFS_PARTSIZE=960
+CONFIG_TARGET_ROOTFS_PARTSIZE=4096
 
 # Firmware Type
 # CONFIG_GRUB_CONSOLE is not set