diff --git a/nifty/energies/wiener_filter_energy.py b/nifty/energies/wiener_filter_energy.py
index 52714fe221a65f88676c9b664b9fb584a351e302..ed2d0d57dc168866bea65923d8dd78056b727080 100644
--- a/nifty/energies/wiener_filter_energy.py
+++ b/nifty/energies/wiener_filter_energy.py
@@ -1,5 +1,5 @@
 from .energy import Energy
-from nifty.operators.curvature_operators import WienerFilterCurvature
+from nifty.operators import WienerFilterCurvature
 
 class WienerFilterEnergy(Energy):
     """The Energy for the Wiener filter.
diff --git a/nifty/operators/__init__.py b/nifty/operators/__init__.py
index 6e066d944672d363d047daebf0c360164a59cf58..b64ee506ada2e52aa5c5397b4e0cc5f23f3c7f13 100644
--- a/nifty/operators/__init__.py
+++ b/nifty/operators/__init__.py
@@ -40,4 +40,4 @@ from composed_operator import ComposedOperator
 
 from response_operator import ResponseOperator
 
-from curvature_operators import *
+from curvature_operators import WienerFilterCurvature