diff --git a/scripts/zmtrigger.pl.in b/scripts/zmtrigger.pl.in
index d8929fab3..7dbca9898 100644
--- a/scripts/zmtrigger.pl.in
+++ b/scripts/zmtrigger.pl.in
@@ -55,7 +55,7 @@ my @connections;
 push( @connections, ZoneMinder::Trigger::Connection->new( name=>"Chan1", channel=>ZoneMinder::Trigger::Channel::Inet->new( port=>6802 ), mode=>"rw" ) );
 push( @connections, ZoneMinder::Trigger::Connection->new( name=>"Chan2", channel=>ZoneMinder::Trigger::Channel::Unix->new( path=>$Config{ZM_PATH_SOCKS}.'/zmtrigger.sock' ), mode=>"rw" ) );
 #push( @connections, ZoneMinder::Trigger::Connection->new( name=>"Chan3", channel=>ZoneMinder::Trigger::Channel::File->new( path=>'/tmp/zmtrigger.out' ), mode=>"w" ) );
-push( @connections, ZoneMinder::Trigger::Connection->new( name=>"Chan4", channel=>ZoneMinder::Trigger::Channel::Serial->new( path=>'/dev/ttyS0' ), mode=>"rw" ) );
+#push( @connections, ZoneMinder::Trigger::Connection->new( name=>"Chan4", channel=>ZoneMinder::Trigger::Channel::Serial->new( path=>'/dev/ttyS0' ), mode=>"rw" ) );
 
 # ==========================================================================
 #