diff --git a/application/Espo/Core/Utils/Client/DevModeJsFileListProvider.php b/application/Espo/Core/Utils/Client/DevModeJsFileListProvider.php
index 185a96710f..fa8ce9d6ba 100644
--- a/application/Espo/Core/Utils/Client/DevModeJsFileListProvider.php
+++ b/application/Espo/Core/Utils/Client/DevModeJsFileListProvider.php
@@ -30,6 +30,7 @@
 namespace Espo\Core\Utils\Client;
 
 use Espo\Core\Utils\File\Manager as FileManager;
+use RuntimeException;
 
 /**
  * @internal Also used by the installer w/o DI.
@@ -61,38 +62,40 @@ class DevModeJsFileListProvider
                 $list = array_merge(
                     $list,
                     array_map(
-                        fn($item) => self::prepareBundleLibFilePath($item),
-                        $this->getLibFileListFromItems($files)
+                        fn ($item) => self::prepareBundleLibFilePath($item),
+                        $files
                     )
                 );
 
                 continue;
             }
 
-            $list[] = self::prepareBundleLibFilePath($item->src);
+            if (!isset($item->src)) {
+                continue;
+            }
+
+            $list[] = self::prepareBundleLibFilePath($item);
         }
 
         return $list;
     }
 
-    /**
-     * @param \stdClass[] $items
-     * @return string[]
-     */
-    private function getLibFileListFromItems(array $items): array
-    {
-        $list = [];
 
-        foreach ($items as $item) {
-            $list[] = $item->src;
+    private function prepareBundleLibFilePath(object $item): string
+    {
+        $amdId = $item->amdId ?? null;
+
+        if ($amdId) {
+            return 'client/lib/original/' . $amdId . '.js';
         }
 
-        return $list;
-    }
+        $src = $item->src ?? null;
 
-    private function prepareBundleLibFilePath(string $path): string
-    {
-        $arr = explode('/', $path);
+        if (!$src) {
+            throw new RuntimeException("Missing 'src' in bundled lib definition.");
+        }
+
+        $arr = explode('/', $src);
 
         return 'client/lib/original/' . array_slice($arr, -1)[0];
     }
diff --git a/frontend/libs.json b/frontend/libs.json
index 6f36fa85df..4d84e85a25 100644
--- a/frontend/libs.json
+++ b/frontend/libs.json
@@ -125,6 +125,10 @@
         "bundle": true,
         "amdId": "intl-tel-input-utils"
     },
+    {
+        "bundle": true,
+        "amdId": "intl-tel-input-globals"
+    },
     {
         "src": "node_modules/summernote/dist/summernote.js",
         "amdId": "summernote",
diff --git a/js/build-utils.js b/js/build-utils.js
index 72bc6fb1e6..79f9ce777a 100644
--- a/js/build-utils.js
+++ b/js/build-utils.js
@@ -27,33 +27,48 @@
  ************************************************************************/
 
 const BuildUtils = {
+    /**
+     * @param {Array} libs
+     * @return {{src: string, file: string}[]}
+     */
     getBundleLibList: function(libs) {
         const list = [];
 
-        libs.forEach(item => {
-            if (!item.bundle) {
-                return;
+        const getFile = item => {
+            if (item.amdId) {
+                return item.amdId + '.js';
             }
 
-            if (item.files) {
-                item.files.forEach(item => list.push(item.src));
+            return item.src.split('/').slice(-1);
+        };
 
-                return;
-            }
+        libs.filter(item => item.bundle)
+            .forEach(item => {
+                if (item.files) {
+                    item.files.forEach(item => list.push({
+                        src: item.src,
+                        file: getFile(item),
+                    }));
 
-            if (!item.src) {
-                throw new Error("No lib src.");
-            }
+                    return;
+                }
 
-            list.push(item.src);
-        });
+                if (!item.src) {
+                    return;
+                }
+
+                list.push({
+                    src: item.src,
+                    file: getFile(item),
+                });
+            });
 
         return list;
     },
 
     getPreparedBundleLibList: function (libs) {
         return BuildUtils.getBundleLibList(libs)
-            .map(file => 'client/lib/original/' + file.split('/').slice(-1));
+            .map(item => 'client/lib/original/' + item.file);
     },
 
     destToOriginalDest: function (dest) {
@@ -114,7 +129,7 @@ const BuildUtils = {
             }
 
             if (!item.src) {
-                throw new Error("No lib src.");
+                return;
             }
 
             list.push({
diff --git a/js/diff.js b/js/diff.js
index 8b010627d4..145d1eddd6 100644
--- a/js/diff.js
+++ b/js/diff.js
@@ -556,19 +556,27 @@ class Diff
                 .parse(
                     cp.execSync("git show " + commitHash + ":frontend/libs.json").toString() || '[]'
                 )
-                .filter(item => item.bundle);
+                .filter(item => item.bundle)
+                .filter(item => item.src || item.files);
         }
 
         let libNewDataList = require(this.espoPath + '/frontend/libs.json')
             .filter(item => !item.bundle);
 
         let bundledNewDataList = require(this.espoPath + '/frontend/libs.json')
-            .filter(item => item.bundle);
+            .filter(item => item.bundle)
+            .filter(item => item.src || item.files);
 
         let resolveItemDest = item =>
             item.dest || 'client/lib/' + item.src.split('/').pop();
 
-        let resolveBundledItemDest = item => 'client/lib/original/' + item.src.split('/').pop();
+        const resolveBundledItemDest = item => {
+            if (item.amdId) {
+                return `'client/lib/original/${item.amdId}.js`;
+            }
+
+            return 'client/lib/original/' + item.src.split('/').pop();
+        };
 
         let resolveItemName = item => {
             if (item.name) {
@@ -759,6 +767,10 @@ class Diff
                 return;
             }
 
+            if (!item.src) {
+                return;
+            }
+
             data.filesToCopy.push(resolveBundledItemDest(item));
         });
 
@@ -786,6 +798,10 @@ class Diff
                 return;
             }
 
+            if (!item.src) {
+                return;
+            }
+
             data.filesToDelete.push(resolveBundledItemDest(item));
         });
 
diff --git a/js/scripts/prepare-lib-original.js b/js/scripts/prepare-lib-original.js
index f88cf6d257..9cbbbaa84e 100644
--- a/js/scripts/prepare-lib-original.js
+++ b/js/scripts/prepare-lib-original.js
@@ -94,8 +94,7 @@ const addSuppressAmd = path => {
     fs.writeFileSync(path, contents, {encoding: 'utf-8'});
 }
 
-/** @var {string[]} */
-const libSrcList = buildUtils.getBundleLibList(libs);
+const bundleLibDataList = buildUtils.getBundleLibList(libs);
 
 const amdIdMap = {};
 const suppressAmdMap = {};
@@ -114,8 +113,10 @@ libs.forEach(item => {
     amdIdMap[item.src] = 'lib!' + item.amdId;
 });
 
-libSrcList.forEach(src => {
-    const dest = originalLibDir + '/' + src.split('/').slice(-1);
+bundleLibDataList.forEach(item => {
+    const src = item.src;
+
+    const dest = originalLibDir + '/' + item.file;
 
     fs.copyFileSync(src, dest);
     stripSourceMappingUrl(dest);