diff --git a/site/graphe.php b/site/graphe.php
index 0ce443e..26ec3fd 100644
--- a/site/graphe.php
+++ b/site/graphe.php
@@ -38,7 +38,7 @@ $graph->yaxis->HideTicks(false,false);
 
 $graph->xgrid->Show();
 $graph->xgrid->SetLineStyle("solid");
-$graph->xaxis->SetTickLabels($absc);
+$graph->xaxis->SetTickLabels(Array('A', 'B', 'C', 'D'));
 $graph->xgrid->SetColor('#E3E3E3');
 
 // Create the first line
--
libgit2 0.21.2