diff --git a/pkgs/development/tools/leksah/default.nix b/pkgs/development/tools/haskell/leksah/default.nix
similarity index 94%
rename from pkgs/development/tools/leksah/default.nix
rename to pkgs/development/tools/haskell/leksah/default.nix
index 24570a9b68eb..fb91015e10c8 100644
--- a/pkgs/development/tools/leksah/default.nix
+++ b/pkgs/development/tools/haskell/leksah/default.nix
@@ -1,7 +1,7 @@
 { stdenv, ghcWithPackages, gtk3, makeWrapper }:
 
 let
-leksahEnv = ghcWithPackages (self: [ self.leksah-server self.leksah ]);
+leksahEnv = ghcWithPackages (self: [ self.leksah-server self.leksah self.cabal-install ]);
 in stdenv.mkDerivation {
   name = "leksah";
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 73a175a0a57f..aa35e813d705 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7417,7 +7417,7 @@ let
 
   lambdabot = callPackage ../development/tools/haskell/lambdabot { };
 
-  leksah = callPackage ../development/tools/leksah {
+  leksah = callPackage ../development/tools/haskell/leksah {
     inherit (haskellngPackages) ghcWithPackages;
   };