diff --git a/pkgs/applications/science/math/gmsh/CMakeLists.txt.patch b/pkgs/applications/science/math/gmsh/CMakeLists.txt.patch
deleted file mode 100644
index 0326a8d296a0..000000000000
--- a/pkgs/applications/science/math/gmsh/CMakeLists.txt.patch
+++ /dev/null
@@ -1,37 +0,0 @@
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -324,25 +324,16 @@
-         set_config_option(HAVE_BLAS "Blas(IntelMKL)")
-         set_config_option(HAVE_LAPACK "Lapack(IntelMKL)")
-       else(LAPACK_LIBRARIES)
--        # on Linux also try to find ATLAS without a Fortran compiler, because
--        # cmake ships with a buggy FindBLAS e.g. on Ubuntu Lucid Lynx
--        set(ATLAS_LIBS_REQUIRED lapack f77blas cblas atlas)
--        find_all_libraries(LAPACK_LIBRARIES ATLAS_LIBS_REQUIRED "" "")
-+        # try with generic names
-+        set(GENERIC_LIBS_REQUIRED lapack blas pthread)
-+        find_all_libraries(LAPACK_LIBRARIES GENERIC_LIBS_REQUIRED "" "")
-         if(LAPACK_LIBRARIES)
--          set_config_option(HAVE_BLAS "Blas(ATLAS)")
--          set_config_option(HAVE_LAPACK "Lapack(ATLAS)")
--        else(LAPACK_LIBRARIES)
--          # try with generic names
--          set(GENERIC_LIBS_REQUIRED lapack blas pthread)
--          find_all_libraries(LAPACK_LIBRARIES GENERIC_LIBS_REQUIRED "" "")
--          if(LAPACK_LIBRARIES)
--            set_config_option(HAVE_BLAS "Blas(Generic)")
--            set_config_option(HAVE_LAPACK "Lapack(Generic)")
--            find_library(GFORTRAN_LIB gfortran)
--            if(GFORTRAN_LIB)
--              list(APPEND LAPACK_LIBRARIES ${GFORTRAN_LIB})
--            endif(GFORTRAN_LIB)
--          endif(LAPACK_LIBRARIES)
-+          set_config_option(HAVE_BLAS "Blas(Generic)")
-+          set_config_option(HAVE_LAPACK "Lapack(Generic)")
-+          find_library(GFORTRAN_LIB gfortran)
-+          if(GFORTRAN_LIB)
-+            list(APPEND LAPACK_LIBRARIES ${GFORTRAN_LIB})
-+          endif(GFORTRAN_LIB)
-         endif(LAPACK_LIBRARIES)
-       endif(LAPACK_LIBRARIES)
-     elseif(${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
diff --git a/pkgs/applications/science/math/gmsh/default.nix b/pkgs/applications/science/math/gmsh/default.nix
index 525fc5f1dc26..7c8e62cc97ce 100644
--- a/pkgs/applications/science/math/gmsh/default.nix
+++ b/pkgs/applications/science/math/gmsh/default.nix
@@ -1,21 +1,17 @@
-{ stdenv, fetchurl, cmake, blas, liblapack, gfortran, gmm, fltk, libjpeg
+{ stdenv, fetchurl, cmake, openblasCompat, gfortran, gmm, fltk, libjpeg
 , zlib, libGLU_combined, libGLU, xorg }:
 
-let version = "4.0.2"; in
+let version = "4.0.4"; in
 
 stdenv.mkDerivation {
   name = "gmsh-${version}";
 
   src = fetchurl {
     url = "http://gmsh.info/src/gmsh-${version}-source.tgz";
-    sha256 = "03aw3sbz4x998rk29az7mgm0mrdb6614aqnppg81p5jkh5097jgk";
+    sha256 = "1hvrls3xyxvn69kwicpvndrs0zhifcfkhfsxr8zkmhmn6fhnjhha";
   };
 
-  # The original CMakeLists tries to use some version of the Lapack lib
-  # that is supposed to work without Fortran but didn't for me.
-  patches = [ ./CMakeLists.txt.patch ];
-
-  buildInputs = [ cmake blas liblapack gmm fltk libjpeg zlib libGLU_combined
+  buildInputs = [ cmake openblasCompat gmm fltk libjpeg zlib libGLU_combined
     libGLU xorg.libXrender xorg.libXcursor xorg.libXfixes xorg.libXext
     xorg.libXft xorg.libXinerama xorg.libX11 xorg.libSM xorg.libICE
   ];
@@ -27,7 +23,7 @@ stdenv.mkDerivation {
   meta = {
     description = "A three-dimensional finite element mesh generator";
     homepage = http://gmsh.info/;
-    platforms = stdenv.lib.platforms.all;
+    platforms = [ "x86_64-linux" ];
     license = stdenv.lib.licenses.gpl2Plus;
   };
 }