diff --git a/usr/local/bin/bastille b/usr/local/bin/bastille
index 67c3a2b1..af76d811 100755
--- a/usr/local/bin/bastille
+++ b/usr/local/bin/bastille
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (c) 2018-2019, Christer Edwards <christer.edwards@gmail.com>
+# Copyright (c) 2018-2020, Christer Edwards <christer.edwards@gmail.com>
 # All rights reserved.
 # 
 # Redistribution and use in source and binary forms, with or without
@@ -83,6 +83,7 @@ Available Commands:
   bootstrap   Bootstrap a FreeBSD release for container base.
   cmd         Execute arbitrary command on targeted container(s).
   console     Console into a running container.
+  convert     Convert a Thin container into a Thick container.
   cp          cp(1) files from host to targeted container(s).
   create      Create a new thin container or a thick container if -T|--thick option specified.
   destroy     Destroy a stopped container or a FreeBSD release.
@@ -127,7 +128,7 @@ esac
 
 # Filter out all non-commands
 case "${CMD}" in
-cmd|cp|create|destroy|list|pkg|restart|start|stop|sysrc|template|verify)
+cmd|convert|cp|create|destroy|list|pkg|restart|start|stop|sysrc|template|verify)
     ;;
 update|upgrade)
     ;;
diff --git a/usr/local/etc/rc.d/bastille b/usr/local/etc/rc.d/bastille
index 0d79ae0d..1ff6530e 100755
--- a/usr/local/etc/rc.d/bastille
+++ b/usr/local/etc/rc.d/bastille
@@ -29,8 +29,8 @@ restart_cmd="bastille_stop && bastille_start"
 
 bastille_start()
 {
-    if [ ! -n "${bastille_list}" ]; then
-        echo "${bastille_list} is undefined"
+    if [ -z "${bastille_list}" ]; then
+        echo "bastille_list is undefined"
         return 1
     fi
 
@@ -44,8 +44,8 @@ bastille_start()
 
 bastille_stop()
 {
-    if [ ! -n "${bastille_list}" ]; then
-        echo "${bastille_list} is undefined"
+    if [ -z "${bastille_list}" ]; then
+        echo "bastille_list is undefined"
         return 1
     fi
 
diff --git a/usr/local/share/bastille/bootstrap.sh b/usr/local/share/bastille/bootstrap.sh
index b09eb8f6..f7e45116 100644
--- a/usr/local/share/bastille/bootstrap.sh
+++ b/usr/local/share/bastille/bootstrap.sh
@@ -250,10 +250,22 @@ bootstrap_directories() {
 }
 
 bootstrap_release() {
-    ## if release exists, quit
+    ## if release exists quit, else bootstrap additional distfiles
     if [ -f "${bastille_releasesdir}/${RELEASE}/COPYRIGHT" ]; then
-        echo -e "${COLOR_RED}Bootstrap appears complete.${COLOR_RESET}"
-        exit 1
+        ## check distfiles list and skip existing cached files
+        bastille_bootstrap_archives=$(echo "${bastille_bootstrap_archives}" | sed "s/base//")
+        bastille_cached_files=$(ls ${bastille_cachedir}/${RELEASE} | grep -v "MANIFEST" | tr -d ".txz")
+        for distfile in ${bastille_cached_files}; do
+            bastille_bootstrap_archives=$(echo ${bastille_bootstrap_archives} | sed "s/${distfile}//")
+        done
+
+        ## check if release already bootstrapped, else continue bootstrapping
+        if [ -z "${bastille_bootstrap_archives}" ]; then
+            echo -e "${COLOR_RED}Bootstrap appears complete.${COLOR_RESET}"
+            exit 1
+        else
+            echo -e "${COLOR_GREEN}Bootstrapping additional distfiles...${COLOR_RESET}"
+        fi
     fi
 
     for _archive in ${bastille_bootstrap_archives}; do
diff --git a/usr/local/share/bastille/convert.sh b/usr/local/share/bastille/convert.sh
new file mode 100644
index 00000000..c6378836
--- /dev/null
+++ b/usr/local/share/bastille/convert.sh
@@ -0,0 +1,168 @@
+#!/bin/sh
+# 
+# Copyright (c) 2018-2020, Christer Edwards <christer.edwards@gmail.com>
+# All rights reserved.
+# 
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+# 
+# * Redistributions of source code must retain the above copyright notice, this
+#   list of conditions and the following disclaimer.
+# 
+# * Redistributions in binary form must reproduce the above copyright notice,
+#   this list of conditions and the following disclaimer in the documentation
+#   and/or other materials provided with the distribution.
+# 
+# * Neither the name of the copyright holder nor the names of its
+#   contributors may be used to endorse or promote products derived from
+#   this software without specific prior written permission.
+# 
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+. /usr/local/share/bastille/colors.pre.sh
+. /usr/local/etc/bastille/bastille.conf
+
+usage() {
+    echo -e "${COLOR_RED}Usage: bastille convert name.${COLOR_RESET}"
+    exit 1
+}
+
+# Handle special-case commands first.
+case "$1" in
+help|-h|--help)
+    usage
+    ;;
+esac
+
+if [ $# -gt 1 ] || [ $# -lt 1 ]; then
+    usage
+fi
+
+TARGET="${1}"
+shift
+
+error_notify()
+{
+    # Notify message on error and exit
+    echo -e "$*" >&2
+    exit 1
+}
+
+convert_symlinks() {
+    # Work with the symlinks, revert on first cp error
+    if [ -d "${bastille_releasesdir}/${RELEASE}" ]; then
+        # Retrieve old symlinks temporarily
+        for _link in ${SYMLINKS}; do
+            if [ -L "${_link}" ]; then
+                mv ${_link} ${_link}.old
+            fi
+        done
+
+        # Copy new files to destination jail
+        for _link in ${SYMLINKS}; do
+            if [ ! -d "${_link}" ]; then
+                if [ -d "${bastille_releasesdir}/${RELEASE}/${_link}" ]; then
+                    cp -a "${bastille_releasesdir}/${RELEASE}/${_link}" "${bastille_jailsdir}/${TARGET}/root/${_link}"
+                fi
+                if [ $? -ne 0 ]; then
+                    revert_convert
+                fi
+            fi
+        done
+
+        # Remove the old symlinks on success
+        for _link in ${SYMLINKS}; do
+            if [ -L "${_link}.old" ]; then
+                rm -r ${_link}.old
+            fi
+        done
+    else
+        error_notify "${COLOR_RED}Release must be bootstrapped first, See `bastille bootstrap`.${COLOR_RESET}"
+    fi
+}
+
+revert_convert() {
+    # Revert the conversion on first cp error
+    echo -e "${COLOR_RED}A problem has occurred while copying the files, reverting changes...${COLOR_RESET}"
+    for _link in ${SYMLINKS}; do
+        if [ -d "${_link}" ]; then
+            chflags -R noschg "${bastille_jailsdir}/${TARGET}/root/${_link}"
+            rm -rf "${bastille_jailsdir}/${TARGET}/root/${_link}"
+        fi
+    done
+
+    # Restore previous symlinks
+    for _link in ${SYMLINKS}; do
+        if [ -L "${_link}.old" ]; then
+            mv ${_link}.old ${_link}
+        fi
+    done
+    error_notify "${COLOR_GREEN}Changes for '${TARGET}' has been reverted.${COLOR_RESET}"
+}
+
+start_convert() {
+    # Attempt container conversion and handle some errors
+    if [ -d "${bastille_jailsdir}/${TARGET}" ]; then
+        echo -e "${COLOR_GREEN}Converting '${TARGET}' into a thickjail, this may take a while...${COLOR_RESET}"
+
+        # Set some variables
+        RELEASE=$(grep -owE '([1-9]{2,2})\.[0-9](-RELEASE|-RC[1-2])' ${bastille_jailsdir}/${TARGET}/fstab)
+        FSTABMOD=$(grep -w "${bastille_releasesdir}/${RELEASE} ${bastille_jailsdir}/${TARGET}/root/.bastille" ${bastille_jailsdir}/${TARGET}/fstab)
+        SYMLINKS="bin boot lib libexec rescue sbin usr/bin usr/include usr/lib usr/lib32 usr/libdata usr/libexec usr/ports usr/sbin usr/share usr/src"
+
+        if [ -n "${RELEASE}" ]; then
+            cd "${bastille_jailsdir}/${TARGET}/root"
+
+            # Work with the symlinks
+            convert_symlinks
+
+            # Comment the line containing .bastille and rename mountpoint
+            sed -i '' -E "s|${FSTABMOD}|# Converted from thin to thick container on $(date)|g" "${bastille_jailsdir}/${TARGET}/fstab"
+            mv ${bastille_jailsdir}/${TARGET}/root/.bastille ${bastille_jailsdir}/${TARGET}/root/.bastille.old
+
+            echo -e "${COLOR_GREEN}Conversion of '${TARGET}' completed successfully!${COLOR_RESET}"
+            exit 0
+        else
+            error_notify "${COLOR_RED}Can't determine release version, See `bastille bootstrap`.${COLOR_RESET}"
+        fi
+     else
+        error_notify "${COLOR_RED}${TARGET} not found. See bootstrap.${COLOR_RESET}"
+    fi
+}
+
+# Check compatibility
+if [ -n "$(freebsd-version | grep -i HBSD)" ]; then
+    error_notify "${COLOR_RED}Not yet supported on HardenedBSD.${COLOR_RESET}"
+fi
+
+# Check if container is running
+if [ -n "$(jls name | awk "/^${TARGET}$/")" ]; then
+    error_notify "${COLOR_RED}${TARGET} is running, See `bastille stop`.${COLOR_RESET}"
+fi
+
+# Check if is a thin container
+if [ ! -d "${bastille_jailsdir}/${TARGET}/root/.bastille" ]; then
+    error_notify "${COLOR_RED}${TARGET} is not a thin container.${COLOR_RESET}"
+elif ! grep -qw ".bastille" "${bastille_jailsdir}/${TARGET}/fstab"; then
+    error_notify "${COLOR_RED}${TARGET} is not a thin container.${COLOR_RESET}"
+fi
+
+# Make sure the user agree with the conversion
+# Be interactive here since this cannot be easily undone
+while :; do
+    echo -e "${COLOR_RED}Warning: container conversion from thin to thick can't be undone!${COLOR_RESET}"
+    read -p "Do you really wish to convert '${TARGET}' into a thick container? [y/N]:" yn
+    case ${yn} in
+    [Yy]) start_convert;;
+    [Nn]) exit 0;;
+    esac
+done