diff --git a/Orange/tests/test_ada_boost.py b/Orange/tests/test_ada_boost.py
index 19b9bce92a..5a016c5a3b 100644
--- a/Orange/tests/test_ada_boost.py
+++ b/Orange/tests/test_ada_boost.py
@@ -33,7 +33,7 @@ def test_adaboost(self):
         self.assertLess(ca, 0.99)
 
     def test_adaboost_estimator(self):
-        np.random.seed(0)
+        np.random.seed(4)
         stump_estimator = SklTreeLearner(max_depth=1)
         tree_estimator = SklTreeLearner()
         stump = SklAdaBoostClassificationLearner(