diff --git a/garlic/apps/ifsker/default.nix b/garlic/apps/ifsker/default.nix
new file mode 100644
index 0000000..8a43fa0
--- /dev/null
+++ b/garlic/apps/ifsker/default.nix
@@ -0,0 +1,50 @@
+{
+  stdenv
+, mpi
+, gfortran
+, tampi
+, nanos6
+, mcxx
+}:
+
+with stdenv.lib;
+
+stdenv.mkDerivation rec {
+  name = "ifsker";
+
+  src = builtins.fetchGit {
+    url = "ssh://git@bscpm02.bsc.es/ksala/ifsker.git";
+    ref = "master";
+  };
+
+  buildInputs = [ tampi mpi nanos6 mcxx gfortran ];
+
+  preferLocalBuild = true;
+
+  # Mercurium seems to fail when building with fortran in parallel
+  enableParallelBuilding = false;
+
+  # FIXME: Patch mcxx to use other directory than $HOME for the lock
+  # files.
+  preConfigure = ''
+    export TAMPI_HOME=${tampi}
+
+    # $HOME is required for the lock files by mcxx to compile fortran.
+    # So we use the $TMPDIR to store them.
+    export HOME=$TMPDIR
+  '';
+
+  makeFlags = [
+    "-f" "Makefile.gcc"
+  ];
+
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp *.bin $out/bin/
+  '';
+
+  # TODO: Split the app into variants
+  programPath = "/bin/03.ifsker.mpi.ompss2.tasks.bin";
+
+}
diff --git a/overlay.nix b/overlay.nix
index d40e804..2a3e7eb 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -308,6 +308,8 @@ let
           variant = "ompss-2";
         };
 
+        ifsker = callPackage ./garlic/apps/ifsker/default.nix { };
+
 #        heat = callPackage ./garlic/apps/heat/default.nix {
 #          # FIXME: The heat program must be able to compile with gcc9 and newer
 #          stdenv = self.gcc7Stdenv;