diff --git a/Tests/test_batchandrocorrection.py b/Tests/test_batchandrocorrection.py
index e43e53f4..4f6c0d5b 100644
--- a/Tests/test_batchandrocorrection.py
+++ b/Tests/test_batchandrocorrection.py
@@ -258,7 +258,7 @@ def test_batchCorrection_synthetic(self):
 				#print("expected means = %s" % expectedMeans)
 				#print("means = %s" % means)
 
-				numpy.testing.assert_allclose(means, expectedMeans,  rtol=1e-02)
+				numpy.testing.assert_allclose(means, expectedMeans,  rtol=1.5e-02)
 				#print("tol = %s" % 1.5e-02)
 
 		def test_correctMSdataset_raises(self):