diff --git a/pandora_console/ChangeLog b/pandora_console/ChangeLog
index 3cb35e2dc2..5618e82301 100644
--- a/pandora_console/ChangeLog
+++ b/pandora_console/ChangeLog
@@ -1,3 +1,10 @@
+2011-08-29 Dario Rodriguez <dario.rodriguez@artica.es>
+
+	* include/functions_graph.php: Fixed a bug setting graphic resolution
+	to 1 that displays some errors with event graphs. 
+
+	Fixes: #3398524
+
 2011-08-29 Javier Lanz <javier.lanz@artica.es>
 
 	* operation/agentes/ver_agente.php: Fixed a bug filling modules combo
diff --git a/pandora_console/include/functions_graph.php b/pandora_console/include/functions_graph.php
index 1737db1429..a1cabc53a9 100755
--- a/pandora_console/include/functions_graph.php
+++ b/pandora_console/include/functions_graph.php
@@ -1532,7 +1532,8 @@ function fs_agent_event_chart ($data, $width, $height, $step = 1) {
 	$count = 0;
 	$num_vlines = 0;
 	foreach ($data as $name => $value) {
-		if ($count++ % $step == 0) {
+			
+		if (($step >= 1) && ($count++ % $step == 0)) {
 			$show_name = '1';
 			$num_vlines++;
 		} else {