diff --git a/pkgs/development/idris-modules/build-idris-package.nix b/pkgs/development/idris-modules/build-idris-package.nix
index 0048634f5b45..66eddd0e3602 100644
--- a/pkgs/development/idris-modules/build-idris-package.nix
+++ b/pkgs/development/idris-modules/build-idris-package.nix
@@ -3,21 +3,40 @@
 # args: Additional arguments to pass to mkDerivation. Generally should include at least
 #       name and src.
 { stdenv, idris, gmp }: args: stdenv.mkDerivation ({
+  preHook = ''
+    # Library import path
+    export IDRIS_LIBRARY_PATH=$PWD/idris-libs
+    mkdir -p $IDRIS_LIBRARY_PATH
+
+    # Library install path
+    export IBCSUBDIR=$out/lib/${idris.name}
+    mkdir -p $IBCSUBDIR
+
+    addIdrisLibs () {
+      if [ -d $1/lib/${idris.name} ]; then
+        ln -sv $1/lib/${idris.name}/* $IDRIS_LIBRARY_PATH
+      fi
+    }
+
+    # All run-time deps
+    addEnvHooks 0 addIdrisLibs
+  '';
+
   buildPhase = ''
-    idris --build *.ipkg
+    ${idris}/bin/idris --build *.ipkg
   '';
 
   doCheck = true;
 
   checkPhase = ''
     if grep -q test *.ipkg; then
-      idris --testpkg *.ipkg
+      ${idris}/bin/idris --testpkg *.ipkg
     fi
   '';
 
   installPhase = ''
-    idris --install *.ipkg --ibcsubdir $IBCSUBDIR
+    ${idris}/bin/idris --install *.ipkg --ibcsubdir $IBCSUBDIR
   '';
 
-  buildInputs = [ gmp idris ];
+  buildInputs = [ gmp ];
 } // args)
diff --git a/pkgs/development/idris-modules/idris-wrapper.nix b/pkgs/development/idris-modules/idris-wrapper.nix
index 155098a46252..fcd02c4da246 100644
--- a/pkgs/development/idris-modules/idris-wrapper.nix
+++ b/pkgs/development/idris-modules/idris-wrapper.nix
@@ -10,8 +10,5 @@ symlinkJoin {
     wrapProgram $out/bin/idris \
       --suffix PATH : ${ stdenv.lib.makeBinPath path } \
       --suffix LIBRARY_PATH : ${stdenv.lib.makeLibraryPath lib}
-
-    mkdir -p $out/nix-support
-    substituteAll ${./setup-hook.sh} $out/nix-support/setup-hook
       '';
   }
diff --git a/pkgs/development/idris-modules/setup-hook.sh b/pkgs/development/idris-modules/setup-hook.sh
deleted file mode 100644
index 30a487ea80d4..000000000000
--- a/pkgs/development/idris-modules/setup-hook.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-# Library import path
-export IDRIS_LIBRARY_PATH=$PWD/idris-libs
-mkdir -p $IDRIS_LIBRARY_PATH
-
-# Library install path
-export IBCSUBDIR=$out/lib/@name@
-mkdir -p $IBCSUBDIR
-
-addIdrisLibs () {
-  if [ -d $1/lib/@name@ ]; then
-    ln -sv $1/lib/@name@/* $IDRIS_LIBRARY_PATH
-  fi
-}
-
-# All run-time deps
-addEnvHooks 1 addIdrisLibs