diff --git a/examples/with-mobx/.babelrc b/examples/with-mobx/.babelrc
index 47a96baf..e1d3c7e0 100644
--- a/examples/with-mobx/.babelrc
+++ b/examples/with-mobx/.babelrc
@@ -3,6 +3,7 @@
     "next/babel"
   ],
   "plugins": [
-    "transform-decorators-legacy"
+    "transform-decorators-legacy",
+    "transform-class-properties"
   ]
-}
\ No newline at end of file
+}
diff --git a/examples/with-mobx/package.json b/examples/with-mobx/package.json
index d4166532..89dd33a2 100644
--- a/examples/with-mobx/package.json
+++ b/examples/with-mobx/package.json
@@ -15,6 +15,7 @@
   },
   "license": "ISC",
   "devDependencies": {
+    "babel-plugin-transform-class-properties": "^6.24.1",
     "babel-plugin-transform-decorators-legacy": "^1.3.4"
   }
 }