diff --git a/packages/das/src/api/admin.controller.ts b/packages/das/src/api/admin.controller.ts
index fbe3151..fb6437b 100644
--- a/packages/das/src/api/admin.controller.ts
+++ b/packages/das/src/api/admin.controller.ts
@@ -123,10 +123,12 @@ export class AdminController {
   }> {
     const repoFullName = validateRepoFullName(body?.repoFullName);
 
-    const result = await this.repoRepo.update(
-      { repoFullName },
-      { registered: true },
-    );
+    const result = await this.repoRepo
+      .createQueryBuilder()
+      .update()
+      .set({ registered: true })
+      .where("LOWER(repo_full_name) = LOWER(:repoFullName)", { repoFullName })
+      .execute();
 
     if (!result.affected) {
       throw new NotFoundException(
diff --git a/packages/das/src/webhook/github-fetcher.service.ts b/packages/das/src/webhook/github-fetcher.service.ts
index 88ad900..865ba53 100644
--- a/packages/das/src/webhook/github-fetcher.service.ts
+++ b/packages/das/src/webhook/github-fetcher.service.ts
@@ -190,7 +190,12 @@ export class GitHubFetcherService implements OnModuleInit {
   }
 
   private async getTokenForRepo(repoFullName: string): Promise<string> {
-    const repo = await this.repoRepo.findOneBy({ repoFullName });
+    const repo = await this.repoRepo
+      .createQueryBuilder("repo")
+      .where("LOWER(repo.repo_full_name) = LOWER(:repoFullName)", {
+        repoFullName,
+      })
+      .getOne();
     if (!repo?.installationId) {
       throw new Error(`No installation for repo ${repoFullName}`);
     }