1 files changed, 1 insertions, 1 deletions

diff --git a/js/RrdGraph.js b/js/RrdGraph.js
index 9b8e3db..6bd75c9 100644
--- a/js/RrdGraph.js
+++ b/js/RrdGraph.js
@@ -249,7 +249,7 @@ RrdGraphDesc.prototype.vdef = function (graph, vname, rpn)
         if (graph.gdes[this.vidx].gf != RrdGraphDesc.GF_DEF && graph.gdes[this.vidx].gf != RrdGraphDesc.GF_CDEF) {
                 throw new RrdGraphDescError('variable "'+name+'" not DEF nor CDEF in VDEF.');
         }
-        this.vf = new RrdVdef(rpn.substring(index+1));
+        this.vf = new RrdVdef(name, rpn.substring(index+1));
         this.legend = '';
 };