diff --git a/boards/uniboard1/designs/unb1_ddr3/tb/python/tc_unb1_ddr3_seq.py b/boards/uniboard1/designs/unb1_ddr3/tb/python/tc_unb1_ddr3_seq.py
index cc2a0d02357b5163be04b0238a304adfd775fd09..e892e60f9c9ed373628d2e55e22c693d2246a8fc 100644
--- a/boards/uniboard1/designs/unb1_ddr3/tb/python/tc_unb1_ddr3_seq.py
+++ b/boards/uniboard1/designs/unb1_ddr3/tb/python/tc_unb1_ddr3_seq.py
@@ -78,7 +78,7 @@ io.wait_for_time(hw_time=0.01, sim_time=(1, 'us'))
 # Control defaults
 nof_mon = 2
 start_address = 0
-nof_words = 134217728
+nof_words = 1000000
 
 for rep in range(tc.repeat):
     tc.append_log(5, '')