diff --git a/opennebula-images/centos7-build-luks-opennebula-image.sh b/opennebula-images/centos7-build-luks-opennebula-image.sh
index 69a5c64..91df92b 100755
--- a/opennebula-images/centos7-build-luks-opennebula-image.sh
+++ b/opennebula-images/centos7-build-luks-opennebula-image.sh
@@ -119,6 +119,9 @@ cat > /mnt/etc/hosts << EOF
 ::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
 EOF
 
+# Setup root password
+run_root passwd
+
 # Install one-context RPM and hope things works as expected.
 curl -L "$ONE_CONTEXT_RPM_URL" > "/mnt$ONE_CONTEXT_RPM_PATH"
 run_root dnf -y install "$ONE_CONTEXT_RPM_PATH"