1 files changed, 3 insertions, 0 deletions
diff --git a/sms-forward b/sms-forward
index bd750b6..bd1f9d6 100644
--- a/sms-forward
+++ b/sms-forward
@@ -10,10 +10,13 @@
 
 :global LogPrintExit;
 :global MailServerIsUp;
+:global ScriptLock;
 :global SendNotification;
 :global SymbolForNotification;
 :global WaitFullyConnected;
 
+$ScriptLock "sms-forward";
+
 :if ([ / tool sms get receive-enabled ] = false) do={
   $LogPrintExit warning "Receiving of SMS is not enabled." true;
 }