diff --git a/scripts/core/sxmo_rtcwake.sh b/scripts/core/sxmo_rtcwake.sh
index ec3620b..5199d3c 100755
--- a/scripts/core/sxmo_rtcwake.sh
+++ b/scripts/core/sxmo_rtcwake.sh
@@ -8,11 +8,11 @@
 . sxmo_common.sh
 
 # We can have multiple cronjobs at the same time
-sxmo_wakelock.sh lock executing_cronjob infinite
+sxmo_wakelock.sh lock executing_cronjob_$$ infinite
 sxmo_wakelock.sh unlock waiting_cronjob
 
 finish() {
-	sxmo_wakelock.sh unlock executing_cronjob
+	sxmo_wakelock.sh unlock executing_cronjob_$$
 	exit 0
 }