diff --git a/packages/backend/src/core/SearchService.ts b/packages/backend/src/core/SearchService.ts
index 0e773e6e8..adc21781d 100644
--- a/packages/backend/src/core/SearchService.ts
+++ b/packages/backend/src/core/SearchService.ts
@@ -212,7 +212,7 @@ export class SearchService {
 				tags: note.tags,
 			};
 			await this.elasticsearch.index({
-				index: this.elasticsearchNoteIndex + `-${createdAt.toISOString().slice(0, 7).replace(/-/g, '')}` as string,
+				index: `${this.elasticsearchNoteIndex}-${createdAt.toISOString().slice(0, 7).replace(/-/g, '')}`,
 				id: note.id,
 				body: body,
 			}).catch((error) => {
@@ -229,7 +229,7 @@ export class SearchService {
 			this.meilisearchNoteIndex!.deleteDocument(note.id);
 		} else if (this.elasticsearch) {
 			await this.elasticsearch.delete({
-				index: this.elasticsearchNoteIndex + `-${this.idService.parse(note.id).date.toISOString().slice(0, 7).replace(/-/g, '')}` as string,
+				index: `${this.elasticsearchNoteIndex}-${this.idService.parse(note.id).date.toISOString().slice(0, 7).replace(/-/g, '')}`,
 				id: note.id,
 			}).catch((error) => {
 				this.logger.error(error);