diff --git a/fedora-kata-osbuilder.sh b/fedora-kata-osbuilder.sh
index e614437..0403ee3 100755
--- a/fedora-kata-osbuilder.sh
+++ b/fedora-kata-osbuilder.sh
@@ -13,6 +13,9 @@ die()
 
 [ "$(id -u)" -eq 0 ] || die "$0: must be run as root"
 
+COMMAND="$1"
+[ -z "$COMMAND" ] && COMMAND="check"
+[ "$COMMAND" != "check" -a "$COMMAND" != "regenerate" ] && die "$0: Unknown command=$COMMAND"
 
 IMAGE_TOPDIR="/var/cache/kata-containers"
 KERNEL_SYMLINK="${IMAGE_TOPDIR}/vmlinuz.container"
@@ -29,11 +32,13 @@ done
 
 [ -z "$KERNEL_PATH" ] && die "$0: Didn't find kernel path for version=$KVERSION"
 
-LINKED_KERNEL=$(readlink -n "${KERNEL_SYMLINK}" || :)
-if [ "${KERNEL_PATH}" = "${LINKED_KERNEL}" ] ; then
-    echo "$0: symlink=${KERNEL_SYMLINK} already points to host kernel=${KERNEL_PATH}"
-    echo "$0: Nothing to generate. Exiting."
-    exit 0
+if [ "regenerate" != "$COMMAND" ]; then
+    LINKED_KERNEL=$(readlink -n "${KERNEL_SYMLINK}" || :)
+    if [ "${KERNEL_PATH}" = "${LINKED_KERNEL}" ] ; then
+        echo "$0: symlink=${KERNEL_SYMLINK} already points to host kernel=${KERNEL_PATH}"
+        echo "$0: Nothing to generate. Exiting."
+        exit 0
+    fi
 fi
 
 
diff --git a/kata-osbuilder-generate.service b/kata-osbuilder-generate.service
index 63e1c55..7143e77 100644
--- a/kata-osbuilder-generate.service
+++ b/kata-osbuilder-generate.service
@@ -4,6 +4,7 @@ Description=Generate Kata appliance image for host kernel
 [Service]
 Type=oneshot
 ExecStart=/usr/libexec/kata-containers/fedora-kata-osbuilder.sh
+ExecReload=/usr/libexec/kata-containers/fedora-kata-osbuilder.sh regenerate
 
 [Install]
 WantedBy=multi-user.target
diff --git a/kata-osbuilder.spec b/kata-osbuilder.spec
index 2f745a0..cd3d2ee 100644
--- a/kata-osbuilder.spec
+++ b/kata-osbuilder.spec
@@ -148,7 +148,7 @@ install -m 0644 -D -t %{buildroot}%{_unitdir} %{_sourcedir}/kata-osbuilder-gener
 
 TMPOUT="$(mktemp -t kata-rpm-post-XXXXXX.log)"
 echo "Creating kata appliance initrd and filesystem image..."
-bash %{kataosbuilderdir}/fedora-kata-osbuilder.sh > ${TMPOUT} 2>&1
+bash %{kataosbuilderdir}/fedora-kata-osbuilder.sh regenerate > ${TMPOUT} 2>&1
 if test "$?" != "0" ; then
     echo "Building failed. See log for details: ${TMPOUT}"
     exit 1