diff --git a/other/helpScripts/referendumTypeBrutforce.sh b/other/helpScripts/referendumTypeBrutforce.sh
index 092f556..f36b6e0 100755
--- a/other/helpScripts/referendumTypeBrutforce.sh
+++ b/other/helpScripts/referendumTypeBrutforce.sh
@@ -2,7 +2,10 @@
 # https://politics.ld.admin.ch/political-rights/referendum/typ/NUMBER # returns sometimes a referendum type. Gotta catch them all !
 echo "Until which number you want to check?"
 read number
-for i {0...number}
+
+i=0
+while [ "$i" -le "$number" ]
 do
   curl "https://politics.ld.admin.ch/political-rights/referendum/typ/$i"
+  i=$((i + 1))
 done