diff --git a/backup.sh b/backup.sh
index e3d0b18..ed0d63f 100755
--- a/backup.sh
+++ b/backup.sh
@@ -335,45 +335,45 @@ if [ -n "$1" ] && [[ ! "$1" =~ ^- ]]; then
 fi
 
 # use GetOpts to process parameters
-while getopts ':l:n:u:v5:w:s:b:d:' PARAMS; do
+while getopts ':5:b:d:l:p:s:u:v:w:' PARAMS; do
     case "$PARAMS" in
-        l)
-            # use provided location for logFile
-            logFile="${OPTARG%/}"
-            ;;
-        n)
-            # Seafile webroot
-            ncRoot="${OPTARG%/}"
-            ;;
-        u)
-            # webuser
-            webUser="${OPTARG}"
-            ;;
-        v)
-            # verbose output from Borg
-            borgCreateParams='--list --stats'
-            borgPruneParams='--list'
-            ;;
         5)
             # Full path to 503 error page
             err503Path="${OPTARG%/}"
             err503File="${err503Path##*/}"
             ;;
-        w)
-            # path to webserver webroot to copy 503 error page
-            webroot="${OPTARG%/}"
-            ;;
-        s)
-            # path to file containing SQL login details
-            sqlDetails="${OPTARG%/}"
-            ;;
         b)
             # path to file containing borgbackup settings and details
             borgDetails="${OPTARG%/}"
             ;;
         d)
             # Seafile data directory
-            ncDataDir="${OPTARG%/}"
+            dataDir="${OPTARG%/}"
+            ;;
+        l)
+            # use provided location for logFile
+            logFile="${OPTARG%/}"
+            ;;
+        p)
+            # Seafile program directory
+            seafDir="${OPTARG%/}"
+            ;;
+        s)
+            # path to file containing SQL login details
+            sqlDetails="${OPTARG%/}"
+            ;;
+        u)
+            # Seafile system user
+            seafUser="${OPTARG}"
+            ;;
+        v)
+            # verbose output from Borg
+            borgCreateParams='--list --stats'
+            borgPruneParams='--list'
+            ;;
+        w)
+            # path to webserver webroot to copy 503 error page
+            webroot="${OPTARG%/}"
             ;;
         ?)
             # unrecognized parameters trigger scriptHelp