diff --git a/odl/space/npy_tensors.py b/odl/space/npy_tensors.py
index 9f86ad0cbdd..2b363fe6758 100644
--- a/odl/space/npy_tensors.py
+++ b/odl/space/npy_tensors.py
@@ -2606,12 +2606,14 @@ def __hash__(self):
     def repr_part(self):
         """String usable in a space's ``__repr__`` method."""
         max_elems = 2 * np.get_printoptions()['edgeitems']
+        precision = np.get_printoptions()['precision']
 
         def factors_repr(factors):
             factor_strs = []
             for fac in factors:
                 if fac.ndim == 0:
-                    factor_strs.append('{:.4}'.format(float(fac)))
+                    fmt = '{{:{}}}'.format(precision)
+                    factor_strs.append(fmt.format(float(fac)))
                 else:
                     factor_strs.append(array_str(fac, nprint=max_elems))
             if len(factor_strs) == 1:
@@ -2633,12 +2635,14 @@ def factors_repr(factors):
     def __repr__(self):
         """Return ``repr(self)``."""
         max_elems = 2 * np.get_printoptions()['edgeitems']
+        precision = np.get_printoptions()['precision']
 
         def factors_repr(factors):
             factor_strs = []
             for fac in factors:
                 if fac.ndim == 0:
-                    factor_strs.append('{:.4}'.format(float(fac)))
+                    fmt = '{{:{}}}'.format(precision)
+                    factor_strs.append(fmt.format(float(fac)))
                 else:
                     factor_strs.append(array_str(fac, nprint=max_elems))
             return '({})'.format(', '.join(factor_strs))