diff --git a/nifty4/extra/energy_tests.py b/nifty4/extra/energy_tests.py
index 108f1b6a21deb6c60ec47dc3575e2bdf56f0d4c6..719f8a8e45fe36eca4e617e69411d84772b14425 100644
--- a/nifty4/extra/energy_tests.py
+++ b/nifty4/extra/energy_tests.py
@@ -18,7 +18,7 @@
 
 import numpy as np
 from ..field import Field
-from .. import from_random
+from ..sugar import from_random
 
 __all__ = ["check_value_gradient_consistency",
            "check_value_gradient_curvature_consistency"]