diff --git a/garlic/apps/fwi/default.nix b/garlic/apps/fwi/default.nix
index 5b1a9d6..ef31127 100644
--- a/garlic/apps/fwi/default.nix
+++ b/garlic/apps/fwi/default.nix
@@ -5,7 +5,7 @@
 , mcxx ? null
 , cc
 , gitBranch ? "garlic/tampi+send+oss+task"
-, fwiInput
+, fwiParams
 }:
 
 with stdenv.lib;
@@ -47,7 +47,7 @@ stdenv.mkDerivation rec {
 
     make depend
 
-    cp ${fwiInput}/generated_model_params.h src/
+    cp ${fwiParams}/generated_model_params.h src/
   '';
   
   # We compile the ModelGenerator using gcc *only*, as otherwise it will
diff --git a/garlic/apps/fwi/input.nix b/garlic/apps/fwi/params.nix
similarity index 92%
rename from garlic/apps/fwi/input.nix
rename to garlic/apps/fwi/params.nix
index 848759f..78efc33 100644
--- a/garlic/apps/fwi/input.nix
+++ b/garlic/apps/fwi/params.nix
@@ -9,7 +9,7 @@ with stdenv.lib;
 with builtins;
 
 stdenv.mkDerivation rec {
-  name = "fwi-input";
+  name = "fwi-params";
 
   src = builtins.fetchGit {
     url = "ssh://git@bscpm03.bsc.es/garlic/apps/fwi.git";
@@ -41,13 +41,15 @@ stdenv.mkDerivation rec {
   # Also, we need to compile it with the builder platform as target, as is going
   # to be executed during the build to generate the src/generated_model_params.h
   # header.
-  makeFlags = [ "COMPILER=GNU" "params" "input" ];
+  makeFlags = [ "COMPILER=GNU" "params" ];
 
   installPhase = ''
     mkdir -p $out/
     cp src/generated_model_params.h $out/
     cp SetupParams/fwi_params.txt $out/
     cp SetupParams/fwi_frequencies.txt $out/
-    cp -r InputModels $out/
+
+    mkdir -p $out/bin
+    cp ModelGenerator $out/bin/
   '';
 }
diff --git a/garlic/apps/index.nix b/garlic/apps/index.nix
index 41da295..c6ef494 100644
--- a/garlic/apps/index.nix
+++ b/garlic/apps/index.nix
@@ -54,9 +54,9 @@
   hpccg = callPackage ./hpccg/default.nix { };
 
   fwi = rec {
-    input = callPackage ./fwi/input.nix { };
+    params = callPackage ./fwi/params.nix { };
     solver = callPackage ./fwi/default.nix {
-      fwiInput = input;
+      fwiParams = params;
     };
   };
 }