Fix #20

package.json

@@ -1,6 +1,6 @@
 {
   "name": "vue-apollo",
-  "version": "1.2.2",
+  "version": "1.2.3",
   "description": "Vue apollo integration",
   "main": "index.js",
   "scripts": {

src/smart-apollo.js

@@ -109,7 +109,7 @@ class SmartApollo {
     }
 
     if (typeof this.options.error === 'function') {
-      this.options.error(error)
+      this.options.error.call(this.vm, error)
     }
   }
 }