diff --git a/red/library.js b/red/library.js
index 92f79302f..4c3f57b3f 100644
--- a/red/library.js
+++ b/red/library.js
@@ -14,6 +14,8 @@
  * limitations under the License.
  **/
 
+var util = require("util");
+
 var redApp = null;
 var storage = null;