diff --git a/pyxem/signals/indexation_results.py b/pyxem/signals/indexation_results.py
index dde00105d..bbd0d1719 100644
--- a/pyxem/signals/indexation_results.py
+++ b/pyxem/signals/indexation_results.py
@@ -53,6 +53,7 @@
 from pyxem.signals.diffraction_vectors2d import DiffractionVectors2D
 from pyxem.utils._signals import _transfer_navigation_axes
 from pyxem.utils.signal import compute_markers
+from pyxem.utils._deprecated import deprecated
 
 
 def crystal_from_vector_matching(z_matches):