diff --git a/src/index.js b/src/index.js
index d56fa6b..7d36f0d 100644
--- a/src/index.js
+++ b/src/index.js
@@ -35,7 +35,7 @@ const dashboard = lightningChart()
     .Dashboard({
         numberOfColumns: 2,
         numberOfRows: sensors.length,
-        theme: Themes[new URLSearchParams(window.location.search).get('theme') || 'darkGold'] || undefined,,
+        theme: Themes[new URLSearchParams(window.location.search).get('theme') || 'darkGold'] || undefined
     })
     .setSplitterStyle(emptyLine)