diff --git a/pandora_server/lib/PandoraFMS/Tools.pm b/pandora_server/lib/PandoraFMS/Tools.pm
old mode 100644
new mode 100755
index fa2c408c62..7998d6d497
--- a/pandora_server/lib/PandoraFMS/Tools.pm
+++ b/pandora_server/lib/PandoraFMS/Tools.pm
@@ -183,7 +183,7 @@ sub safe_input($) {
 	foreach(keys(%$trans))
 	{
 		my $pattern = chr($_);
-		$value =~ s/$pattern/$trans->{$_}/gi;
+		$value =~ s/$pattern/$trans->{$_}/g;
 	}
 	
 	return $value;
@@ -236,7 +236,7 @@ sub safe_output($) {
 	foreach(keys(%$trans))
 	{
 		my $pattern = chr($_);
-		$value =~ s/$trans->{$_}/$pattern/gi;
+		$value =~ s/$trans->{$_}/$pattern/g;
 	}
 	
 	return $value;