diff --git a/Gruntfile.js b/Gruntfile.js
index 45b13748ed..137b1fe6e1 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -120,10 +120,10 @@ module.exports = grunt => {
         'build/tmp/client/custom/modules/*',
         '!build/tmp/client/custom/modules/dummy.txt',
         'build/tmp/client/modules/crm/src',
-        'build/tmp/client/lib/original',
+        'build/tmp/client/lib/original/*',
         'build/tmp/client/modules/crm/lib/original',
-        'build/tmp/client/lib/original/espo.js',
-        'build/tmp/client/lib/original/espo-*.js',
+        '!build/tmp/client/lib/original/espo.js',
+        '!build/tmp/client/lib/original/espo-*.js',
         '!build/tmp/client/lib/original/espo-funnel-chart.js',
         'build/tmp/client/lib/transpiled',
     ];
diff --git a/js/diff.js b/js/diff.js
index 9d12f2d984..86d78a1cfa 100644
--- a/js/diff.js
+++ b/js/diff.js
@@ -285,13 +285,15 @@ class Diff
             fileList.push('client/lib/espo.js');
             fileList.push('client/lib/espo.js.map');
             fileList.push('client/lib/templates.tpl');
+            fileList.push('client/lib/original/espo.js');
 
             Object.keys(bundleConfig.chunks)
                 .map(name => {
-                    const namePart = 'espo-' + name;
+                    const namePart = `espo-${name}`;
 
                     fileList.push(`client/lib/${namePart}.js`);
                     fileList.push(`client/lib/${namePart}.js.map`);
+                    fileList.push(`client/lib/original/${namePart}.js`);
                 });
 
             fs.readdirSync('client/css/espo/').forEach(file => {