diff --git a/asterix-external-data/src/test/java/edu/uci/ics/asterix/external/library/ParseTweetFunction.java b/asterix-external-data/src/test/java/edu/uci/ics/asterix/external/library/ParseTweetFunction.java
index de13e59..1046518 100644
--- a/asterix-external-data/src/test/java/edu/uci/ics/asterix/external/library/ParseTweetFunction.java
+++ b/asterix-external-data/src/test/java/edu/uci/ics/asterix/external/library/ParseTweetFunction.java
@@ -14,18 +14,18 @@
  */
 package edu.uci.ics.asterix.external.library;
 
-import edu.uci.ics.asterix.external.library.java.JObjects.JOrderedList;
 import edu.uci.ics.asterix.external.library.java.JObjects.JRecord;
 import edu.uci.ics.asterix.external.library.java.JObjects.JString;
+import edu.uci.ics.asterix.external.library.java.JObjects.JUnorderedList;
 import edu.uci.ics.asterix.external.library.java.JTypeTag;
 
 public class ParseTweetFunction implements IExternalScalarFunction {
 
-    private JOrderedList list = null;
+    private JUnorderedList list = null;
 
     @Override
     public void initialize(IFunctionHelper functionHelper) {
-        list = new JOrderedList(functionHelper.getObject(JTypeTag.STRING));
+        list = new JUnorderedList(functionHelper.getObject(JTypeTag.STRING));
     }
 
     @Override
diff --git a/asterix-external-data/src/test/resources/text_functions.xml b/asterix-external-data/src/test/resources/text_functions.xml
index fef51aa..bd485a4 100644
--- a/asterix-external-data/src/test/resources/text_functions.xml
+++ b/asterix-external-data/src/test/resources/text_functions.xml
@@ -4,8 +4,8 @@
 		<libraryFunction>
 			<function_type>SCALAR</function_type>
 			<name>parseTweet</name>
-			<arguments>TweetType</arguments>
-			<return_type>TweetType</return_type>
+			<arguments>TweetInputType</arguments>
+			<return_type>TweetOutputType</return_type>
 			<definition>edu.uci.ics.asterix.external.library.ParseTweetFactory
 			</definition>
 		</libraryFunction>