diff --git a/autoconf/scripts/po2table.sh b/autoconf/scripts/po2table.sh
index 05d02b1..b1b80dc 100755
--- a/autoconf/scripts/po2table.sh
+++ b/autoconf/scripts/po2table.sh
@@ -24,7 +24,7 @@ struct msgtable_s *minigettext__gettable(char *lang)
 
 EOF
 
-for POFILE in $*; do
+for POFILE in "$@"; do
 	LANG=$(basename "$POFILE" | sed 's/.po$//')
 	echo "	if (strncmp(lang, \"$LANG\", 2) == 0) {"
 	echo "		static struct msgtable_s data[] = {";