diff --git a/web/ssh-tunnelier b/web/ssh-tunnelier
index f145530..c710b84 100755
--- a/web/ssh-tunnelier
+++ b/web/ssh-tunnelier
@@ -4,6 +4,13 @@ CONFDIR="$HOME/.config/ssh-tunnelier"
 CONF="$CONFDIR/config"
 MAGIC_TIME=873749328
 
+BASE="base64 -w 0"
+UNBASE="base64 -d"
+if [[ "$OSTYPE" = "darwin"* ]]; then 
+  BASE="base64"
+  UNBASE="base64 -D"
+fi
+
 function _helpexit() {
   echo "SSH tunnel manager
 Runs and monitors preconfigured background ssh tunnels, with the ability
@@ -48,12 +55,12 @@ function fpgrep() {
 }
 
 function get_id() {
-  id=$( printf "%s" "$line" | base64 -w 0 )
+  id=$( printf "%s" "$line" | $BASE )
   echo -n $id
 }
 
 function get_command() {
-  switches=$( echo "$1" | base64 -d )
+  switches=$( echo "$1" | $UNBASE )
   echo -n "ssh -f -n $switches \"sleep $MAGIC_TIME; echo tunneler $1\""
 }
 
@@ -138,7 +145,7 @@ while true; do
         continue
     }
     
-    printf "\n${colTitle}Tunnel command: %s${colZ}\n" "$( echo  "${ids[$j]}" | base64 -d )" 
+    printf "\n${colTitle}Tunnel command: %s${colZ}\n" "$( echo  "${ids[$j]}" | $UNBASE )" 
     this_pid="$( get_pid "${ids[$j]}" )"
     [[ -n "$this_pid" ]] && {
 	  # PID exists, ask to kill