1 files changed, 1 insertions, 1 deletions

diff --git a/graph.php b/graph.php
index dadb2c5..0b7cee5 100644
--- a/graph.php
+++ b/graph.php
@@ -86,7 +86,7 @@ if (isset($plugin_json[$type]['vertical'])) {
 }
 
 if (isset($plugin_json[$type]['rrdtool_opts'])) {
-        $obj->rrdtool_opts = $plugin_json[$type]['rrdtool_opts'];
+        $obj->rrdtool_opts[] = $plugin_json[$type]['rrdtool_opts'];
 }
 
 if (isset($plugin_json[$type]['datasize']) and $plugin_json[$type]['datasize'])