diff --git a/modules/pow.sh b/modules/pow.sh
index f01775a..e47ade0 100755
--- a/modules/pow.sh
+++ b/modules/pow.sh
@@ -5,5 +5,5 @@
 sender=$1 # sender (the person I am talking to)
 channel=$2 # channel
 equ=$3 # math equ
-res=$(java nums $equ)
+res=$(java -cp math/ nums $equ)
 echo "PRIVMSG $channel :$sender: $res"
\ No newline at end of file