diff --git a/examples/BB2B.cpp b/examples/BB2B.cpp
index a07aa9f..b1ab231 100644
--- a/examples/BB2B.cpp
+++ b/examples/BB2B.cpp
@@ -19,9 +19,9 @@ int main() {
   // The robot's propulsion is a differential drive
   DifferentialDrive bb2b = DifferentialDrive();
   // Is has a touch sensor at the front left of the roboid
-  TouchSensor touchLeft = TouchSensor(bb2b);
+  TouchSensor touchLeft = TouchSensor(&bb2b); 
   // and other one on the right
-  TouchSensor touchRight = TouchSensor(bb2b);
+  TouchSensor touchRight = TouchSensor(&bb2b);
 
   // Do forever:
   while (true) {