diff --git a/toot.sh b/toot.sh
index 8f59333..03b43cb 100755
--- a/toot.sh
+++ b/toot.sh
@@ -105,7 +105,7 @@ do
     esac
 done
 
-if [ $MASTODON_TOKEN = "" ]
+if [ "$MASTODON_TOKEN" = "" ]
 then
     echo "no token set"
     exit 1