diff --git a/Gruntfile.js b/Gruntfile.js
index 9fc7290d..f998ce90 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -38,12 +38,14 @@ module.exports = function(grunt) {
       },
       curve25519: {
         src: [
-          'build/_before.js',
           'build/curve25519_compiled.js',
           'build/curve25519.js',
-          'build/_after.js'
         ],
-        dest: 'js/curve25519_compiled.js'
+        dest: 'js/curve25519_compiled.js',
+        options: {
+          banner: ';(function(){\n',
+          footer: '\n})();'
+        }
       }
     },
     sass: {
diff --git a/build/_after.js b/build/_after.js
deleted file mode 100644
index 22a7560f..00000000
--- a/build/_after.js
+++ /dev/null
@@ -1,2 +0,0 @@
-
-})();
diff --git a/build/_before.js b/build/_before.js
deleted file mode 100644
index aee29137..00000000
--- a/build/_before.js
+++ /dev/null
@@ -1 +0,0 @@
-;(function() {
diff --git a/js/curve25519_compiled.js b/js/curve25519_compiled.js
index 67851700..01ac2d3f 100644
--- a/js/curve25519_compiled.js
+++ b/js/curve25519_compiled.js
@@ -1,5 +1,4 @@
-;(function() {
-
+;(function(){
 // Note: For maximum-speed code, see "Optimizing Code" on the Emscripten wiki, https://github.com/kripken/emscripten/wiki/Optimizing-Code
 // Note: Some Emscripten settings may limit the speed of the generated code.
 try {
@@ -2999,5 +2998,4 @@ run();
     };
 })();
 
-
-})();
+})();
\ No newline at end of file