2 files changed, 4 insertions, 4 deletions
diff --git a/pkgs/applications/science/math/pssp/default.nix b/pkgs/applications/science/math/pssp/default.nix
index 6ced805b31155..e74e17fa44f5f 100644
--- a/pkgs/applications/science/math/pssp/default.nix
+++ b/pkgs/applications/science/math/pssp/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, libxml2, readline, zlib, perl, cairo, gtk, gsl
+{ stdenv, fetchurl, libxml2, readline, zlib, perl, cairo, gtk2, gsl
 , pkgconfig, gtksourceview, pango, gettext, libglade
 }:
 
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "0vri2pzvmm38qaihfvwlry30f40lcnps4blg59ixic4q20ldxf5d";
   };
 
-  buildInputs = [ libxml2 readline zlib perl cairo gtk gsl pkgconfig
+  buildInputs = [ libxml2 readline zlib perl cairo gtk2 gsl pkgconfig
     gtksourceview pango gettext libglade ];
 
   doCheck = false;
diff --git a/pkgs/applications/science/math/scilab/default.nix b/pkgs/applications/science/math/scilab/default.nix
index 8482bd6fe94b6..89670e66641bf 100644
--- a/pkgs/applications/science/math/scilab/default.nix
+++ b/pkgs/applications/science/math/scilab/default.nix
@@ -3,7 +3,7 @@
 , Xaw3d, withXaw3d ? false
 #, withPVMlib ? false
 , tcl, tk, withTk ? false
-, gtk, withGtk ? false # working ?
+, gtk2, withGtk ? false # working ?
 #, withF2c ? false
 , ocaml, withOCaml ? false
 #, withJava ? false
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [gfortran ncurses]
-  ++ lib.optionals withGtk [gtk]
+  ++ lib.optionals withGtk [gtk2]
   ++ lib.optionals withOCaml [ocaml]
   ++ lib.optional withX xlibsWrapper
   ;