diff --git a/sklearn/cluster/tests/test_mean_shift.py b/sklearn/cluster/tests/test_mean_shift.py
index 67b8d1dce9b..89bfa50cb3a 100644
--- a/sklearn/cluster/tests/test_mean_shift.py
+++ b/sklearn/cluster/tests/test_mean_shift.py
@@ -46,13 +46,14 @@ def test_mean_shift():
     n_clusters_ = len(labels_unique)
     assert_equal(n_clusters_, n_clusters)
 
+
 def test_parallel():
-    ms1 = MeanShift(n_jobs=-1)
+    ms1 = MeanShift(n_jobs=2)
     ms1.fit(X)
-    
+
     ms2 = MeanShift()
     ms2.fit(X)
-    
+
     assert_array_equal(ms1.cluster_centers_,ms2.cluster_centers_)
     assert_array_equal(ms1.labels_,ms2.labels_)