diff --git a/tests/test_sba_bs_dec_plc.py b/tests/test_sba_bs_dec_plc.py
index b885c06ddd03f36fd9c361eedae712f213e3f73c..4ac4f761e631b9807931fb5ae4f240d90f4629b5 100644
--- a/tests/test_sba_bs_dec_plc.py
+++ b/tests/test_sba_bs_dec_plc.py
@@ -49,7 +49,7 @@ ivas_br_list = ['32000', '64000', '96000', '256000']
 sampling_rate_list = ['48', '32', '16']
 agc_list = [-1, 0, 1]
 
-AbsTol = '3'
+AbsTol = '0'
 
 
 def check_and_makedir(dir_path):
diff --git a/tests/test_sba_bs_enc.py b/tests/test_sba_bs_enc.py
index fcf1c00fba6a23b073e08c3255ca28ddc526bf5f..5fba38131314da2dc207f7ab492df4bcb37eb520 100644
--- a/tests/test_sba_bs_enc.py
+++ b/tests/test_sba_bs_enc.py
@@ -63,7 +63,7 @@ agc_list = [-1, 0, 1]
 
 sample_rate_bw_idx_list = [('48', 'SWB'), ('48', 'WB'), ('32', 'WB')]
 
-AbsTol = '4'
+AbsTol = '0'
 
 
 def check_and_makedir(dir_path):