diff --git a/index.html b/index.html
index 255126a..5c966ec 100755
--- a/index.html
+++ b/index.html
@@ -869,7 +869,7 @@ <h4>Sanity Overlay</h4>
             document.getElementById("maps_box").style.left = "-388px";
         }
     </script>
-    <script src="themes-v6/themes-v5.js"></script>
+    <script src="themes-v6/themes-v6.js"></script>
     <script src="scripts-v6/audio_controller-v3.js"></script>
     <script src="scripts-v6/metronome-v3.js"></script>
     <script src="scripts-v6/timer-v2.js"></script>
diff --git a/themes-v6/themes-v5.js b/themes-v6/themes-v6.js
similarity index 98%
rename from themes-v6/themes-v5.js
rename to themes-v6/themes-v6.js
index dea5ab6..631a0a6 100644
--- a/themes-v6/themes-v5.js
+++ b/themes-v6/themes-v6.js
@@ -47,6 +47,10 @@ function changeTheme(name = null){
     ]
 
     let theme_name = name != null ? name : $("#theme").val()
+    if(themes[theme_name] == undefined){
+        theme_name = "Default"
+        document.getElementById("theme").value = "Default"
+    }
 
     clearInterval(light_interval)
     $(".ghost_card").removeClass("c-light-div")