diff --git a/mail.sh b/mail.sh
index 2ea4ef6..e5d8bd9 100644
--- a/mail.sh
+++ b/mail.sh
@@ -19,32 +19,32 @@ function die
 }
 
 # Grab options
-while [ ${1} != "" ]
+while [ ${1} ]
 do
     case ${1} in
         -u | --user )
-            if [ ${2} != "" ]
+            if [ ${2} ]
             then
                 username=${2}
                 shift
             fi
             ;;
         -p | --port )
-            if [ ${2} != "" ]
+            if [ ${2} ]
             then
                 ssh_port=${2}
                 shift
             fi
         ;;
         -d | --domain )
-            if [ ${2} != "" ]
+            if [ ${2} ]
             then
                 domain_url=${2}
                 shift
             fi
         ;;
         -m | --mail-user )
-            if [ ${2} != "" ]
+            if [ ${2} ]
             then
                 mailuser=${2}
                 shift