diff --git a/src/index.ts b/src/index.ts
index 6442b0b2..3a6b0be2 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -140,7 +140,7 @@ const initHook = (win: BrowserWindow) => {
       if (!isEqual) {
         const oldConfig = oldPluginConfigList[id] as PluginConfig;
         const config = deepmerge(
-          mainPlugins[id].config,
+          allPlugins[id].config,
           newPluginConfig,
         ) as PluginConfig;
 
@@ -155,7 +155,7 @@ const initHook = (win: BrowserWindow) => {
             forceUnloadMainPlugin(id, win);
           }
 
-          if (mainPlugins[id].restartNeeded) {
+          if (mainPlugins[id]?.restartNeeded) {
             showNeedToRestartDialog(id);
           }
         }
diff --git a/src/loader/main.ts b/src/loader/main.ts
index 9eb4fe5c..18780a5c 100644
--- a/src/loader/main.ts
+++ b/src/loader/main.ts
@@ -79,7 +79,7 @@ export const forceLoadMainPlugin = async (
   win: BrowserWindow,
 ): Promise<void> => {
   const plugin = mainPlugins[id];
-  if (!plugin.backend) return;
+  if (!plugin) return;
 
   return new Promise<void>((resolve, reject) => {
     try {