diff --git a/frontend/src/html/pages/settings.html b/frontend/src/html/pages/settings.html
index 43f57ed6f..70666a05c 100644
--- a/frontend/src/html/pages/settings.html
+++ b/frontend/src/html/pages/settings.html
@@ -1364,7 +1364,7 @@
         <div class="group opacity">
           <div class="title">opacity</div>
           <div class="value"></div>
-          <input type="range" min="0" max="1" value="1" step="0.1" />
+          <input type="range" min="0.1" max="1" value="1" step="0.1" />
         </div>
       </div>
     </div>
diff --git a/frontend/src/ts/controllers/theme-controller.ts b/frontend/src/ts/controllers/theme-controller.ts
index 4a3ae641d..4ebaa11b5 100644
--- a/frontend/src/ts/controllers/theme-controller.ts
+++ b/frontend/src/ts/controllers/theme-controller.ts
@@ -439,6 +439,7 @@ ConfigEvent.subscribe(async (eventKey, eventValue, nosave) => {
         await set(Config.theme);
       }
     }
+    applyCustomBackground();
   }
 
   // this is here to prevent calling set / preview multiple times during a full config loading