diff --git a/examples/braitenberg.pl b/examples/braitenberg.pl
index 834442d..258d79c 100644
--- a/examples/braitenberg.pl
+++ b/examples/braitenberg.pl
@@ -63,5 +63,5 @@
     SpeedR is 40),
   ((LightL > 50, SpeedL is 100);
     SpeedL is 40),
-  motor_run('ev3-ports:'ev3-ports:outB'', SpeedL), motor_run('ev3-ports:outC', SpeedR), sleep(1),
+  motor_run('ev3-ports:outB', SpeedL), motor_run('ev3-ports:outC', SpeedR), sleep(1),
 braitenberg5.