diff --git a/.gitignore b/.gitignore
index 225021c..48936af 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,7 +2,7 @@
 .classpath
 .project
 .settings
+/bin
 
 # Maven products
-/bin
 /target
diff --git a/src/main/java/lu/jpt/csparqltest/Main.java b/src/main/java/lu/jpt/csparqltest/Main.java
index 365ebfe..9506850 100644
--- a/src/main/java/lu/jpt/csparqltest/Main.java
+++ b/src/main/java/lu/jpt/csparqltest/Main.java
@@ -81,7 +81,7 @@ public class Main {
 				+ "PREFIX f: <http://larkc.eu/csparql/sparql/jena/ext#> "
 				+ "PREFIX xsd: <http://www.w3.org/2001/XMLSchema#> "
 				+ "PREFIX cars: <http://myexample.org/cars#> "
-				+ "SELECT ?car ?temp1 ?temp2 "
+				+ "SELECT ?car ?temp1 ?temp2 ( f:timestamp(?car,cars:currentTemperature,?temp1) AS ?ts1) "
 				+ "FROM STREAM <http://myexample.org/cars> [RANGE 5s STEP 1s] "
 				+ "WHERE { "
 				+ " ?car cars:currentTemperature ?temp1 . "