diff --git a/2018/burton2/freqcount.sh b/2018/burton2/freqcount.sh
index 6629b4aac..6c00eea14 100755
--- a/2018/burton2/freqcount.sh
+++ b/2018/burton2/freqcount.sh
@@ -3,4 +3,4 @@ function iskeyword {
    awk 'BEGIN{f="c11";while(getline<f)k[$1]=0}
 	{if($1 in k)k[$1]++}END{for(i in k)print k[i],i}'
 }
-cat $* | ./prog -t | iskeyword | sort -k1nr
+cat "$@" | ./prog -t | iskeyword | sort -k1nr