diff --git a/bob/learn/libsvm/test_trainer.py b/bob/learn/libsvm/test_trainer.py
index 787272bccacbcf28a79e9f9f829bc828e86a03a5..163d88248738c81fdf832644d8ca3876017473f3 100644
--- a/bob/learn/libsvm/test_trainer.py
+++ b/bob/learn/libsvm/test_trainer.py
@@ -217,7 +217,7 @@ def test_training_one_class():
 
   curr_scores = numpy.array(curr_scores)
   prev_scores = numpy.array(prev_scores)
-  _check_abs_diff(curr_scores, prev_scores, 5e-7)
+  _check_abs_diff(curr_scores, prev_scores, 5e-5)
 
 def test_successive_training():