diff --git a/pandora_server/ChangeLog b/pandora_server/ChangeLog
index 0510659c7c..6524448dac 100644
--- a/pandora_server/ChangeLog
+++ b/pandora_server/ChangeLog
@@ -1,3 +1,8 @@
+2009-05-27  Ramon Novoa  <rnovoa@artica.es>
+
+	* lib/PandoraFMS/Core.pm: Disabled string comparisons for
+	  equal/not_equal alerts (use regex instead).
+
 2009-05-27  Ramon Novoa  <rnovoa@artica.es>
 
 	* lib/PandoraFMS/DataServer.pm: Fixed timestamps for data lists. Made
diff --git a/pandora_server/lib/PandoraFMS/Core.pm b/pandora_server/lib/PandoraFMS/Core.pm
index 142d3699b6..8947a1d4c5 100644
--- a/pandora_server/lib/PandoraFMS/Core.pm
+++ b/pandora_server/lib/PandoraFMS/Core.pm
@@ -165,9 +165,8 @@ sub pandora_evaluate_alert ($$$$$$) {
 				               $data <= $alert->{'max_value'});
 		}
 		
-		return $status if ($alert->{'type'} eq "equal" && $data ne $alert->{'value'});
-		return $status if ($alert->{'type'} eq "not_equal" && $data eq $alert->{'value'});
-
+		return $status if ($alert->{'type'} eq "equal" && $data != $alert->{'value'});
+		return $status if ($alert->{'type'} eq "not_equal" && $data == $alert->{'value'});
 		if ($alert->{'type'} eq "regex") {
 			return $status if ($alert->{'matches_value'} == 1 && $data =~ m/$alert->{'value'}/i);