Using this at the top of your script will prevent that and is considered best practice to use for scripting.

Code:
If Not @LogonMode
  Break On
EndIf
Dim $SO
$SO=SetOption('Explicit','On')
$SO=SetOption('NoVarsInStrings','On')
$SO=SetOption('NoMacrosInStrings','On')
$SO=SetOption('WrapAtEOL','On')