diff --git a/scripts/rtlightsensors.py b/scripts/rtlightsensors.py
index 9df0a78..dee2fe8 100755
--- a/scripts/rtlightsensors.py
+++ b/scripts/rtlightsensors.py
@@ -18,10 +18,11 @@ def talker():
                 d.left_side = int(data[2])
                 d.left_forward = int(data[3])
                 pub.publish(d)
-                rate.sleep()
         except:
             rospy.logerr("cannot open " + devfile)
 
+        rate.sleep()
+
 if __name__ == '__main__':
     try:
         talker()