diff --git a/core/displayablegraph.class.inc.php b/core/displayablegraph.class.inc.php
index 0d9996bfe..45104dac2 100644
--- a/core/displayablegraph.class.inc.php
+++ b/core/displayablegraph.class.inc.php
@@ -1270,6 +1270,7 @@ class DisplayableGraph extends SimpleGraph
 
 		$oPdf->SetAutoPageBreak(true, $fBreakMargin);
 		$oPdf->SetAlpha(1);
+		$oPdf->SetTextColor(0, 0, 0);
 	}
 	
 	/**