diff --git a/python/triqs_dft_tools/sumk_dft.py b/python/triqs_dft_tools/sumk_dft.py
index 827e3ab7..8abe66b0 100644
--- a/python/triqs_dft_tools/sumk_dft.py
+++ b/python/triqs_dft_tools/sumk_dft.py
@@ -35,7 +35,7 @@ from .symmetry import *
 from .block_structure import BlockStructure
 from itertools import product
 from warnings import warn
-from scipy import compress
+from numpy import compress
 from scipy.optimize import minimize