1 files changed, 3 insertions, 1 deletions
diff --git a/sms-forward.rsc b/sms-forward.rsc
index f85dab2..7c4488a 100644
--- a/sms-forward.rsc
+++ b/sms-forward.rsc
@@ -27,7 +27,9 @@
   :global ValidateSyntax;
   :global WaitFullyConnected;
 
-  $ScriptLock $ScriptName;
+  :if ([ $ScriptLock $ScriptName ] = false) do={
+    :return false;
+  }
 
   :if ([ /tool/sms/get receive-enabled ] = false) do={
     $LogPrintOnce warning $ScriptName ("Receiving of SMS is not enabled.") true;