diff --git a/tests/test_quaternion.py b/tests/test_quaternion.py
index 9fd1f17..ec97355 100644
--- a/tests/test_quaternion.py
+++ b/tests/test_quaternion.py
@@ -125,6 +125,9 @@ def test_matrix(self, arr):
 
     @given(ANY_QUATERNION)
     def test_from_matrix(self, arr):
+        EXP = - int(np.log10(DEFAULT_TOLERANCE))
+        for i in range(len(arr)):
+            arr[i] = round(arr[i], EXP)
         assume(GeneralQuaternion(*arr).norm() > DEFAULT_TOLERANCE)
         q = Quaternion(*arr)
         assert q.from_matrix(q.matrix) == q