diff --git a/src/angular-fusioncharts.js b/src/angular-fusioncharts.js
index b2878f2..9c3691e 100644
--- a/src/angular-fusioncharts.js
+++ b/src/angular-fusioncharts.js
@@ -370,6 +370,7 @@
                     dataStringStore = {},
                     i,
                     attr,
+                    attrConfig,
                     _eobj,
                     key,
                     observableAttr,