2 files changed, 3 insertions, 3 deletions
diff --git a/nixpkgs/pkgs/applications/science/math/sage/sage-tests.nix b/nixpkgs/pkgs/applications/science/math/sage/sage-tests.nix
index 12433e12fe90..591fa192d563 100644
--- a/nixpkgs/pkgs/applications/science/math/sage/sage-tests.nix
+++ b/nixpkgs/pkgs/applications/science/math/sage/sage-tests.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
     sage-with-env
   ];
 
-  unpackPhase = "#do nothing";
+  dontUnpack = true;
   configurePhase = "#do nothing";
   buildPhase = "#do nothing";
 
diff --git a/nixpkgs/pkgs/applications/science/math/sage/sage.nix b/nixpkgs/pkgs/applications/science/math/sage/sage.nix
index 541b9cb36dc2..f6dc21d00184 100644
--- a/nixpkgs/pkgs/applications/science/math/sage/sage.nix
+++ b/nixpkgs/pkgs/applications/science/math/sage/sage.nix
@@ -11,7 +11,7 @@
 # A wrapper that makes sure sage finds its docs (if they were build) and the
 # jupyter kernel spec.
 
-let 
+let
   # generate kernel spec + default kernels
   kernel-specs = jupyter-kernel.create {
     definitions = jupyter-kernel.default // {
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
     sage-tests
   ];
 
-  unpackPhase = "#do nothing";
+  dontUnpack = true;
   configurePhase = "#do nothing";
   buildPhase = "#do nothing";