diff --git a/targets/x86.inc b/targets/x86.inc
index 3e3b5e53935cc1799dda467a19efa8a996142579..a3691da049001b8d2d9ecc57b4e4afd03c51bc42 100644
--- a/targets/x86.inc
+++ b/targets/x86.inc
@@ -1,5 +1,7 @@
 config 'CONFIG_VDI_IMAGES=y'
 config 'CONFIG_VMDK_IMAGES=y'
+config 'CONFIG_TARGET_KERNEL_PARTSIZE=16'
+config 'CONFIG_TARGET_ROOTFS_PARTSIZE=36'
 
 local ATH10K_PACKAGES = {'kmod-ath10k-ct', 'ath10k-firmware-qca9887', 'ath10k-firmware-qca988x'}
 if env.GLUON_WLAN_MESH == 'ibss' then