diff --git a/python/damask/_rotation.py b/python/damask/_rotation.py
index 06f87abc5..f93b3b012 100644
--- a/python/damask/_rotation.py
+++ b/python/damask/_rotation.py
@@ -1581,19 +1581,13 @@ class Rotation:
     @staticmethod
     def _ho2ax(ho: np.ndarray) -> np.ndarray:
         """Homochoric vector to axis–angle pair."""
-        tfit = np.array([
-                         0.9999999999999968E0,     -0.49999999999986866E0,
-                        -0.025000000000632055E0,   -0.003928571496460683E0,
-                        -0.0008164666077062752E0,  -0.00019411896443261646E0,
-                        -0.00004985822229871769E0, -0.000014164962366386031E0,
-                        -1.9000248160936107E-6,    -5.72184549898506E-6,
-                         7.772149920658778E-6,     -0.00001053483452909705E0,
-                         9.528014229335313E-6,     -5.660288876265125E-6,
-                         1.2844901692764126E-6,     1.1255185726258763E-6,
-                        -1.3834391419956455E-6,     7.513691751164847E-7,
-                        -2.401996891720091E-7,      4.386887017466388E-8,
-                        -3.5917775353564864E-9,
-                        ])
+        tfit = np.array([+0.9999999999999968,     -0.49999999999986866,     -0.025000000000632055,
+                         -0.003928571496460683,   -0.0008164666077062752,   -0.00019411896443261646,
+                         -0.00004985822229871769, -0.000014164962366386031, -1.9000248160936107e-6,
+                         -5.72184549898506e-6,    +7.772149920658778e-6,    -0.00001053483452909705,
+                         +9.528014229335313e-6,   -5.660288876265125e-6,    +1.2844901692764126e-6,
+                         +1.1255185726258763e-6,  -1.3834391419956455e-6,   +7.513691751164847e-7,
+                         -2.401996891720091e-7,   +4.386887017466388e-8,    -3.5917775353564864e-9])
         hmag_squared = np.sum(ho**2.,axis=-1,keepdims=True)
         s = np.sum(tfit*hmag_squared**np.arange(len(tfit)),axis=-1,keepdims=True)
         with np.errstate(invalid='ignore'):
diff --git a/python/tests/test_Rotation.py b/python/tests/test_Rotation.py
index c9dfc68b8..8b1bd0de8 100644
--- a/python/tests/test_Rotation.py
+++ b/python/tests/test_Rotation.py
@@ -301,14 +301,13 @@ def ro2ho(ro):
 #---------- Homochoric vector----------
 def ho2ax(ho):
     """Homochoric vector to axis angle pair."""
-    tfit = np.array([+1.0000000000018852,      -0.5000000002194847,
-                     -0.024999992127593126,    -0.003928701544781374,
-                     -0.0008152701535450438,   -0.0002009500426119712,
-                     -0.00002397986776071756,  -0.00008202868926605841,
-                     +0.00012448715042090092,  -0.0001749114214822577,
-                     +0.0001703481934140054,   -0.00012062065004116828,
-                     +0.000059719705868660826, -0.00001980756723965647,
-                     +0.000003953714684212874, -0.00000036555001439719544])
+    tfit = np.array([+0.9999999999999968,     -0.49999999999986866,     -0.025000000000632055,
+                     -0.003928571496460683,   -0.0008164666077062752,   -0.00019411896443261646,
+                     -0.00004985822229871769, -0.000014164962366386031, -1.9000248160936107e-6,
+                     -5.72184549898506e-6,    +7.772149920658778e-6,    -0.00001053483452909705,
+                     +9.528014229335313e-6,   -5.660288876265125e-6,    +1.2844901692764126e-6,
+                     +1.1255185726258763e-6,  -1.3834391419956455e-6,   +7.513691751164847e-7,
+                     -2.401996891720091e-7,   +4.386887017466388e-8,    -3.5917775353564864e-9])
     # normalize h and store the magnitude
     hmag_squared = np.sum(ho**2.)
     if iszero(hmag_squared):