diff --git a/live-build/auto/build b/live-build/auto/build
index 9c1f0fc9..fbffed2c 100755
--- a/live-build/auto/build
+++ b/live-build/auto/build
@@ -462,7 +462,12 @@ EOF
 		fi
 
 		if [ "$PROJECT" = "ubuntu-oci" ]; then
-		    configure_oci chroot
+			if [ -n "$BUILDSTAMP" ]; then
+				configure_oci chroot "$BUILDSTAMP"
+			else
+				echo "The \$BUILDSTAMP variable is empty"
+				exit 1
+			fi
 		fi
 
 		configure_network_manager
diff --git a/live-build/functions b/live-build/functions
index a6fa5bf2..721f2beb 100644
--- a/live-build/functions
+++ b/live-build/functions
@@ -922,6 +922,12 @@ configure_oci() {
     # at https://github.com/tianon/docker-brew-ubuntu-core/blob/master/update.sh
 
     local chroot=$1
+    local serial=$2
+
+    if [ ! -d "${chroot}" ]; then
+        echo "The chroot does not exist"
+        exit 1
+    fi
 
     echo "==== Configuring OCI ===="
 
@@ -930,6 +936,15 @@ configure_oci() {
     echo 'exit 101' >> ${chroot}/usr/sbin/policy-rc.d
     Chroot ${chroot} "chmod +x /usr/sbin/policy-rc.d"
 
+
+    # Inject a build stamp into the image 
+    
+    mkdir -p ${chroot}/etc/cloud
+    cat > ${chroot}/etc/cloud/build.info << EOF
+serial: $serial
+EOF
+
+
     # https://github.com/docker/docker/blob/9a9fc01af8fb5d98b8eec0740716226fadb3735c/contrib/mkimage/debootstrap#L54-L56
     Chroot ${chroot} "dpkg-divert --local --rename --add /sbin/initctl"
     cp -a ${chroot}/usr/sbin/policy-rc.d ${chroot}/sbin/initctl