diff --git a/script/test/HoloFlyScan.py b/script/test/HoloFlyScan.py
index 1c3452ea..ff503d49 100644
--- a/script/test/HoloFlyScan.py
+++ b/script/test/HoloFlyScan.py
@@ -12,7 +12,7 @@ ZIGZAG (BOOLEAN)
 LATENCY (float) in seconds
 SENSORS (list of devices)
 """
-
+import traceback
 THETA_RANGE = (-9.0, 81.0)
 THETA_STEP = 1.0
 PHI_RANGE = (-40.0, +40.0)
@@ -48,6 +48,7 @@ PHI_NSTEPS = int((PHI_RANGE[1] - PHI_RANGE[0]) / PHI_STEP) + 1
 phi_positions = [PHI_RANGE[0] + PHI_STEP * i for i in range(PHI_NSTEPS)]
 print "phi_positions: ", phi_positions
 
+
 try:
     for phi in phi_positions:
         ManipulatorPhi.write(phi)
@@ -60,7 +61,8 @@ try:
         #    print time.time(), " cscan: exception at (theta, phi) = ({th}, {ph})".format(th=ManipulatorTheta.read(), ph=phi)
         if ZIGZAG:
             THETA_RANGE = (THETA_RANGE[1], THETA_RANGE[0])
-    
+except:
+    traceback.print_exc()    
 finally:
     if ENDSCAN:
         after_scan()