diff --git a/noten.sh b/noten.sh
index 96c2aa6..bc32338 100755
--- a/noten.sh
+++ b/noten.sh
@@ -32,6 +32,11 @@ AJAXDATA=$(curl -s -b $COOKIES -c $COOKIES -d "User=$USERNAME&Session=$SESSION&L
 # Finally...
 cp $FINALFILE $TMPPATH
 curl -s -b $COOKIES -c $COOKIES -d $AJAXDATA $FU | awk 'f{ if (/<\/tbody>/){printf "%s", buf; f=0; buf=""} else buf = buf $0 ORS}; /<tbody>/{f=1}' | rg -o -e '<b>(.*)</b>' -r '$1' | sudo -u http tee $FINALFILE
+# If nothing is returned exit to prevent unwanted mails
+if [ $(wc -l < $FINALFILE) -lt 2 ]; then
+    cp $TMPPATH/noten.html $FINALFILE
+    exit 1
+fi
 # If there is a change in the file, send an email
 D=$(diff $FINALFILE $TMPPATH/noten.html)
 if [ "$D" != "" ]; then