diff --git a/CU2/handle-control-change.sh b/CU2/handle-control-change.sh
index 6b14e77..e1a4b74 100755
--- a/CU2/handle-control-change.sh
+++ b/CU2/handle-control-change.sh
@@ -2,7 +2,7 @@
 
 . ./common.inc
 
-lockfile "$HANDLERS_LOCK_FILE"
+lockfile -1 -r 30 -l 60 "$HANDLERS_LOCK_FILE" || exit 1
 
 touch "${STATES_DIR}/updating"
 if [ -e "$DNSCRYPT_FILE" ]; then
diff --git a/CU2/handle-network-change.sh b/CU2/handle-network-change.sh
index 44af0c8..2552cd3 100755
--- a/CU2/handle-network-change.sh
+++ b/CU2/handle-network-change.sh
@@ -5,7 +5,7 @@
 [ ! -e "$FALLBACK_FILE" ] && exit 0
 ./check-network-change.sh || exit 0
 
-lockfile "$HANDLERS_LOCK_FILE"
+lockfile -1 -r 30 -l 60 "$HANDLERS_LOCK_FILE" || exit 1
 ./set-dns-to-dhcp.sh
 if [ ! -e "$DNSCRYPT_FILE" ]; then
   rm -f "$HANDLERS_LOCK_FILE"