diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 8f1db61d..00c271bd 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -18,3 +18,16 @@ jobs:
       run: npm install
     - name: npm test
       run: npm test
+
+  bundle:
+    name: npm run bundle
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: actions/setup-node@v4
+      with:
+        node-version: 15
+    - name: npm install
+      run: npm install
+    - name: npm create bundle
+      run: npm run bundle
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1ed7650a..13272715 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html)
 
+## [0.4.14] 2024-04-04
+
+### Fixed
+
+- Hectar loader
+
 ## [0.4.13] 2024-02-05
 
 ### Added
diff --git a/imports/api/genes/hectar/addHectar.js b/imports/api/genes/hectar/addHectar.js
index eaa7bd4e..8f961a79 100644
--- a/imports/api/genes/hectar/addHectar.js
+++ b/imports/api/genes/hectar/addHectar.js
@@ -57,10 +57,10 @@ class HectarProcessor {
       // Filters undefined data (with a dash) and splits into an array for
       // comma-separated data.
       for (const [key, value] of Object.entries(annotations)) {
-        if (value[0] === '-') {
+        if (value === undefined || value[0] === '-') {
           annotations[key] = undefined;
         }
-        if (value.indexOf(',') > -1) {
+        if (value !== undefined && value.indexOf(',') > -1) {
           annotations[key] = value.split(',');
         }
       }