diff --git a/scripts/getThunderbird b/scripts/getThunderbird
index 7110fac..132a595 100755
--- a/scripts/getThunderbird
+++ b/scripts/getThunderbird
@@ -652,7 +652,7 @@ options=$@
 if [ "$(dirname $0)" == "." ] && [ ! -e "$fileDev" ]; then options="-i" 		# script install
 
 for j in $options; do
-[ -z "$i" ] && echo 'i zero'
+[ -z "$j" ] && echo 'i zero'
 	case $j in
 		i-latest | i-beta | i-all )
 			f_tb_alertIcedove