diff --git a/kvm-server/usr/local/bin/deploy_kvm b/kvm-server/usr/local/bin/deploy_kvm
index 9d6db57a1ad1480849112b1a57aa7a91f673b4be..bc671a3734efebe5199bdb644cb2f816b2e2151b 100755
--- a/kvm-server/usr/local/bin/deploy_kvm
+++ b/kvm-server/usr/local/bin/deploy_kvm
@@ -15,7 +15,7 @@ printf "KVM configuration dumped to %s.\n" $kvm.xml >> $log
 sed -i "s#<name>[^<]\+</name>#<name>$kvm</name>#g" /root/kvm-xml/$kvm.xml
 sed -i "s#<uuid>[^<]\+</uuid>#<uuid>$uuid</uuid>#g" /root/kvm-xml/$kvm.xml
 sed -i "s#[0-9a-fA-F]\{2\}\(:[0-9a-fA-F]\{2\}\)\{5\}#$mac#g" /root/kvm-xml/$kvm.xml
-sed -i "s#1\.img#$kvm\.img#g" /root/kvm-xml/$kvm.xml
+sed -i "s#$base_img#$kvm\.img#g" /root/kvm-xml/$kvm.xml
 printf "KVM configuration modification complete." >> $log
 virsh define /root/kvm-xml/$kvm.xml
 printf "KVM %s registered." $kvm >> $log