diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 0564fc9870a7..846e07c9ac46 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -18718,7 +18718,7 @@ in modules // {
     propagatedBuildInputs = with self; [ numpy scipy matplotlib pyqt4
       cython ];
 
-    buildInputs = [ pkgs.gcc pkgs.qt4 numpy.blas self.nose ];
+    buildInputs = [ pkgs.gcc pkgs.qt4 pkgs.blas self.nose ];
 
     meta = {
       description = "QuTiP - Quantum Toolbox in Python";