diff --git a/pandora_console/include/functions_graph.php b/pandora_console/include/functions_graph.php
index 1505fd3a5b..7265712868 100644
--- a/pandora_console/include/functions_graph.php
+++ b/pandora_console/include/functions_graph.php
@@ -1176,6 +1176,9 @@ function graphic_combined_module ($module_list, $weight_list, $period,
 		$datelimit = $date - $period;
 		
 		$resolution = $config['graph_res'] * 50; //Number of points of the graph
+		if($resolution > $period){
+			$resolution = $period;
+		}
 		$interval = (int) ($period / $resolution);
 		
 		// If projection graph, fill with zero previous data to projection interval