diff --git a/scripts/bootstrap.sh b/scripts/bootstrap.sh
index 40ea382..3c1fd73 100755
--- a/scripts/bootstrap.sh
+++ b/scripts/bootstrap.sh
@@ -1099,11 +1099,12 @@ to --condition AX_USE_NODEJS nodejs/etc/${PACKAGE_NAME}.json <<EOF
   }
 }
 EOF
+PACKAGE_NAME_UPPER=$(echo ${PACKAGE_NAME} | tr '+[:lower:]' 'X[:upper:]' | tr -cd '[[:alnum:]]_-.')
 to --condition AX_USE_NODEJS nodejs/etc/default/${PACKAGE_NAME} <<EOF
-#EXEC_${PACKAGE_NAME^^}="/usr/bin/nodejs /usr/share/${PACKAGE_NAME}/nodejs/${PACKAGE_NAME}"
-#${PACKAGE_NAME^^}_LOG="/var/log/${PACKAGE_NAME^^}.log"
-#${PACKAGE_NAME^^}="${PACKAGE_NAME}"
-#${PACKAGE_NAME^^}_PORT="8888"
+#EXEC_${PACKAGE_NAME_UPPER}="/usr/bin/nodejs /usr/share/${PACKAGE_NAME}/nodejs/${PACKAGE_NAME}"
+#${PACKAGE_NAME_UPPER}_LOG="/var/log/${PACKAGE_NAME}.log"
+#${PACKAGE_NAME_UPPER}="${PACKAGE_NAME}"
+#${PACKAGE_NAME_UPPER}_PORT="8888"
 EOF
 to --condition AX_USE_NODEJS nodejs/etc/init/${PACKAGE_NAME}.conf <<EOF
 #!upstart
@@ -1119,30 +1120,30 @@ script
     echo \$\$ > /var/run/${PACKAGE_NAME}.pid
     # there are some useful defaults
     # do not edit this file, overwrite values in /etc/default/${PACKAGE_NAME}
-    EXEC_${PACKAGE_NAME^^}="/usr/bin/nodejs /usr/share/${PACKAGE_NAME}/nodejs/${PACKAGE_NAME}"
-    ${PACKAGE_NAME^^}_LOG="/var/log/${PACKAGE_NAME}.log"
-    ${PACKAGE_NAME^^}_USER="${PACKAGE_NAME}"
-    ${PACKAGE_NAME^^}_PORT=""
+    EXEC_${PACKAGE_NAME_UPPER}="/usr/bin/nodejs /usr/share/${PACKAGE_NAME}/nodejs/${PACKAGE_NAME}"
+    ${PACKAGE_NAME_UPPER}_LOG="/var/log/${PACKAGE_NAME}.log"
+    ${PACKAGE_NAME_UPPER}_USER="${PACKAGE_NAME}"
+    ${PACKAGE_NAME_UPPER}_PORT=""
     [ -r /etc/default/${PACKAGE_NAME} ] && . /etc/default/${PACKAGE_NAME}
-    if test -n "\${${PACKAGE_NAME^^}_USER}"; then
-        exec sudo -u "\${${PACKAGE_NAME^^}_USER}" \${EXEC_${PACKAGE_NAME^^}} \${${PACKAGE_NAME^^}_PORT} >> \${${PACKAGE_NAME^^}_LOG} 2>&1
+    if test -n "\${${PACKAGE_NAME_UPPER}_USER}"; then
+        exec sudo -u "\${${PACKAGE_NAME_UPPER}_USER}" \${EXEC_${PACKAGE_NAME_UPPER}} \${${PACKAGE_NAME_UPPER}_PORT} >> \${${PACKAGE_NAME_UPPER}_LOG} 2>&1
     else
-        exec \${EXEC_${PACKAGE_NAME^^}} \${${PACKAGE_NAME^^}_PORT} >> \${${PACKAGE_NAME^^}_LOG} 2>&1
+        exec \${EXEC_${PACKAGE_NAME_UPPER}} \${${PACKAGE_NAME_UPPER}_PORT} >> \${${PACKAGE_NAME_UPPER}_LOG} 2>&1
     fi
 end script
 
 pre-start script
-    ${PACKAGE_NAME^^}_LOG="/var/log/${PACKAGE_NAME}.log"
+    ${PACKAGE_NAME_UPPER}_LOG="/var/log/${PACKAGE_NAME}.log"
     [ -r /etc/default/${PACKAGE_NAME} ] && . /etc/default/${PACKAGE_NAME}
     # Date format same as (new Date()).toISOString() for consistency
-    echo "[`date -u +%Y-%m-%dT%T.%3NZ`] (sys) Starting" >> \${${PACKAGE_NAME^^}_LOG}
+    echo "[`date -u +%Y-%m-%dT%T.%3NZ`] (sys) Starting" >> \${${PACKAGE_NAME_UPPER}_LOG}
 end script
 
 pre-stop script
-    ${PACKAGE_NAME^^}_LOG="/var/log/${PACKAGE_NAME}.log"
+    ${PACKAGE_NAME_UPPER}_LOG="/var/log/${PACKAGE_NAME}.log"
     [ -r /etc/default/${PACKAGE_NAME} ] && . /etc/default/${PACKAGE_NAME}
     rm /var/run/${PACKAGE_NAME}.pid
-    echo "[`date -u +%Y-%m-%dT%T.%3NZ`] (sys) Stopping" >> \${${PACKAGE_NAME^^}_LOG}
+    echo "[`date -u +%Y-%m-%dT%T.%3NZ`] (sys) Stopping" >> \${${PACKAGE_NAME_UPPER}_LOG}
 end script
 EOF
 to --condition AX_USE_NODEJS nodejs/etc/systemd/system/${PACKAGE_NAME}.service <<EOF