diff --git a/top_block.py b/top_block.py
index 943dbd0..365cbbe 100755
--- a/top_block.py
+++ b/top_block.py
@@ -28,7 +28,7 @@ import time
 class top_block(gr.top_block):
 
     def __init__(self, c_freq=1420000000, nbin=1000, nchan=1024, obs_time=60, samp_rate=2400000):
-        gr.top_block.__init__(self, "Top Block", catch_exceptions=True)
+        gr.top_block.__init__(self, "Top Block")
 
         ##################################################
         # Parameters