1 files changed, 3 insertions, 3 deletions
diff --git a/library/Pbs/Graph.php b/library/Pbs/Graph.php
index c3f7139..1431c70 100644
--- a/library/Pbs/Graph.php
+++ b/library/Pbs/Graph.php
@@ -27,9 +27,9 @@ class Pbs_Graph{
 	      
 		$str =  'echo "';
 		$str .=  $this->graphstring;
-		$str .=  '" | dot -Tpng  ';			
-		passthru($str,$end);
-		return $end;
+		$str .=  '" | dot -Tpng  ';					
+		passthru($str, $result);
+		return $result;
 	}
 	private function getGroupTitle($groupID){
 		$group = new Application_Model_Group();