--- a/tools/ipv6calc-create-update-ipset.sh
+++ b/tools/ipv6calc-create-update-ipset.sh
@@ -271,7 +271,7 @@
 		return 4
 	else
 		# create temporary file
-		commandfile=$(mktemp /tmp/ipset-$list-$setname.XXXXX)
+		commandfile=$(mktemp @TERMUX_PREFIX@/tmp/ipset-$list-$setname.XXXXX)
 		if [ -z "$commandfile" ]; then
 			echo "ERROR : can't create temporary command file"
 			return 2
@@ -296,7 +296,7 @@
 # update entries of an ipset (firewalld)
 # rc: 0=ok 1=nothingtodo 4=dryrun 3=error 2=fatal
 ipset_update_entries_firewalld() {
-	local add_entries_file=$(mktemp /tmp/ipset-firewalld-add-$list-$setname.XXXXX)
+	local add_entries_file=$(mktemp @TERMUX_PREFIX@/tmp/ipset-firewalld-add-$list-$setname.XXXXX)
 	if [ -z "$add_entries_file" ]; then
 		echo "ERROR : can't create temporary file containing entries to add"
 		return 2
@@ -310,7 +310,7 @@
 		fi
 	done
 
-	local del_entries_file=$(mktemp /tmp/ipset-firewalld-remove-$list-$setname.XXXXX)
+	local del_entries_file=$(mktemp @TERMUX_PREFIX@/tmp/ipset-firewalld-remove-$list-$setname.XXXXX)
 	if [ -z "$del_entries_file" ]; then
 		echo "ERROR : can't create temporary file containing entries to remove"
 		return 2