diff --git a/flask_analytics/providers/chartbeat.py b/flask_analytics/providers/chartbeat.py
index f644c93..25d7887 100644
--- a/flask_analytics/providers/chartbeat.py
+++ b/flask_analytics/providers/chartbeat.py
@@ -15,7 +15,7 @@ def template(self):
         return """<script type="text/javascript">
     var _sf_async_config={{}};
     /** CONFIGURATION START **/
-    _sf_async_config.uid = {uid}; /** CHANGE THIS **/
+    _sf_async_config.uid = "{uid}"; /** CHANGE THIS **/
     _sf_async_config.domain = "{domain}"; /** CHANGE THIS **/
     /** CONFIGURATION END **/
     (function(){{
diff --git a/test/test_app.py b/test/test_app.py
index fdce8cb..0df27a6 100644
--- a/test/test_app.py
+++ b/test/test_app.py
@@ -64,7 +64,7 @@ def test_chartbeat(self):
         expected = """<script type="text/javascript">
     var _sf_async_config={};
     /** CONFIGURATION START **/
-    _sf_async_config.uid = uiP3eeKie6ohDo6; /** CHANGE THIS **/
+    _sf_async_config.uid = "uiP3eeKie6ohDo6"; /** CHANGE THIS **/
     _sf_async_config.domain = "eeda8Otheefu5qu"; /** CHANGE THIS **/
     /** CONFIGURATION END **/
     (function(){
@@ -208,7 +208,7 @@ def test_all(self):
 <script type="text/javascript">
     var _sf_async_config={};
     /** CONFIGURATION START **/
-    _sf_async_config.uid = uiP3eeKie6ohDo6; /** CHANGE THIS **/
+    _sf_async_config.uid = "uiP3eeKie6ohDo6"; /** CHANGE THIS **/
     _sf_async_config.domain = "eeda8Otheefu5qu"; /** CHANGE THIS **/
     /** CONFIGURATION END **/
     (function(){