diff --git a/i18n-gen.sh b/i18n-gen.sh
index c55fdd5f9bfb5cd0524fcdba19e11c47bf333448..a530281e84b133a83dfb104df5bbfd177107c3ae 100755
--- a/i18n-gen.sh
+++ b/i18n-gen.sh
@@ -34,13 +34,13 @@ function gen_pot() {
 	xgettext --language=Python --keyword=_ --output=${ROOT}i18n/glances.pot `find ${ROOT}glances/ -name "*.py"`
 }
 
-OPERATION="$1"
-shift
-
-if [ -z "$1" ]; then
+if [ $# != 2 ]; then
 	usage
 fi
 
+OPERATION="$1"
+shift
+
 case "$OPERATION" in
 	init)
 		# If there is already a language file for specified language there is no need to generate a new one