diff --git a/robotcontrol/rainbow_interface.py b/robotcontrol/rainbow_interface.py
index ee63c0f..e389d5a 100755
--- a/robotcontrol/rainbow_interface.py
+++ b/robotcontrol/rainbow_interface.py
@@ -68,8 +68,8 @@ def launchRainbow(self, challenge_problem, log):
         print("Configuring rainbow for %s"%challenge_problem)
         os.environ["LD_LIBRARY_PATH"] = os.environ["LD_LIBRARY_PATH"] + ":" + os.path.expanduser("~/das/prism-4.3.1-linux64/lib")
         print ("LD_LIBRARY_PATH=%s" %os.environ["LD_LIBRARY_PATH"])
-	rainbow_sleep = os.environ["RAINBOW_WAIT_TIME"]
-	print("Will wait %s seconds for Rainbow to come up")
+        rainbow_sleep = os.environ["RAINBOW_WAIT_TIME"]
+        print("Will wait %s seconds for Rainbow to come up")
         self.target = self.getTarget(challenge_problem)
         if self.target is not None:
             time.sleep(10)