diff --git a/themes/joi-dark/theme.json b/themes/joi-dark/theme.json
index d389d853c..22ed778ba 100644
--- a/themes/joi-dark/theme.json
+++ b/themes/joi-dark/theme.json
@@ -52,7 +52,7 @@
     },
 
     "left-panel": {
-      "bg": "0, 0%, 13%, 0",
+      "bg": "0, 0%, 13%, 1",
       "menu": "0, 0%, 95%, 1",
       "menu-hover": "0, 0%, 28%, 0.2",
       "menu-active": "0, 0%, 100%, 1",