diff --git a/wowup-electron/src/app/pages/home/home.component.ts b/wowup-electron/src/app/pages/home/home.component.ts
index 6ce64b31..2af4b562 100644
--- a/wowup-electron/src/app/pages/home/home.component.ts
+++ b/wowup-electron/src/app/pages/home/home.component.ts
@@ -109,7 +109,8 @@ export class HomeComponent implements AfterViewInit, OnDestroy {
   }
 
   private async migrateAddons(clientTypes: WowClientType[]) {
-    if (!clientTypes || !(await this._wowupService.shouldMigrateAddons())) {
+    const shouldMigrate = await this._wowupService.shouldMigrateAddons();
+    if (!clientTypes || !shouldMigrate) {
       return clientTypes;
     }
 
@@ -162,7 +163,7 @@ export class HomeComponent implements AfterViewInit, OnDestroy {
     });
 
     if (error.innerError instanceof GitHubLimitError) {
-      const err = error.innerError as GitHubLimitError;
+      const err = error.innerError;
       const max = err.rateLimitMax;
       const reset = new Date(err.rateLimitReset * 1000).toLocaleString();
       errorMessage = this._translateService.instant("COMMON.ERRORS.GITHUB_LIMIT_ERROR", {
diff --git a/wowup-electron/src/app/services/addons/addon.service.ts b/wowup-electron/src/app/services/addons/addon.service.ts
index bfba4339..acddd1b1 100644
--- a/wowup-electron/src/app/services/addons/addon.service.ts
+++ b/wowup-electron/src/app/services/addons/addon.service.ts
@@ -1269,10 +1269,20 @@ export class AddonService {
       const addons = this._addonStorage.getAllForClientType(clientType);
       for (const addon of addons) {
         await this.backfillAddon(addon);
+        await this.backfillAddonInstalledFolderList(addon);
       }
     }
   }
 
+  private async backfillAddonInstalledFolderList(addon: Addon): Promise<void> {
+    if (addon.installedFolderList) {
+      return;
+    }
+
+    addon.installedFolderList = addon.installedFolders?.split(",") ?? [];
+    this.saveAddon(addon);
+  }
+
   public async backfillAddon(addon: Addon): Promise<void> {
     if (addon.externalIds && this.containsOwnExternalId(addon)) {
       return;