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-rw-r--r--pkgs/applications/science/chemistry/quantum-espresso/default.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/applications/science/chemistry/quantum-espresso/default.nix b/pkgs/applications/science/chemistry/quantum-espresso/default.nix
index 717ff1dba82b..c7b1f9010468 100644
--- a/pkgs/applications/science/chemistry/quantum-espresso/default.nix
+++ b/pkgs/applications/science/chemistry/quantum-espresso/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   '';
 
   buildInputs = [ fftw blas lapack gfortran ]
-    ++ (stdenv.lib.optionals (mpi != null) [ mpi ]);
+    ++ (lib.optionals (mpi != null) [ mpi ]);
 
 configureFlags = if (mpi != null) then [ "LD=${mpi}/bin/mpif90" ] else [ "LD=${gfortran}/bin/gfortran" ];