diff --git a/splearn/tests/test_spectral.py b/splearn/tests/test_spectral.py
index 23402c11c5e7b72b277c82a5c38efc1ed523a956..00ade3452c4d7c86e6c77d04f2bca3e450736acc 100644
--- a/splearn/tests/test_spectral.py
+++ b/splearn/tests/test_spectral.py
@@ -49,7 +49,7 @@ class SpectralTest(unittest.TestCase):
     def test_version(self):
         adr = get_dataset_path("essai")
         data = load_data_sample(adr=adr)
-        cl = Spectral(partial=False, sparse=False, full_svd_calculation= "True", version="prefix")
+        cl = Spectral(partial=False, sparse=False, full_svd_calculation= True, version="prefix")
         X = data.data
         cl.fit(X=X)
         np.testing.assert_almost_equal(cl.automaton.initial,
@@ -57,7 +57,7 @@ class SpectralTest(unittest.TestCase):
                                          1.30974719e-02, -1.66533454e-16,
                                          -3.70074342e-17]))
 
-        cl = Spectral(partial=False, sparse=False, full_svd_calculation= "True", version="suffix")
+        cl = Spectral(partial=False, sparse=False, full_svd_calculation= True, version="suffix")
         cl.fit(X=X)
         np.testing.assert_almost_equal(cl.automaton.initial,
                                        np.array(