diff --git a/packages/backend/src/core/entities/RoleEntityService.ts b/packages/backend/src/core/entities/RoleEntityService.ts
index 4208e03a8c..2f1d51fa1a 100644
--- a/packages/backend/src/core/entities/RoleEntityService.ts
+++ b/packages/backend/src/core/entities/RoleEntityService.ts
@@ -32,7 +32,7 @@ export class RoleEntityService {
 		const assignedCount = await this.roleAssignmentsRepository.createQueryBuilder('assign')
 			.where('assign.roleId = :roleId', { roleId: role.id })
 			.andWhere(new Brackets(qb => { qb
-				.where('assign.expiresAt IS NOT NULL')
+				.where('assign.expiresAt IS NULL')
 				.orWhere('assign.expiresAt > :now', { now: new Date() });
 			}))
 			.getCount();
diff --git a/packages/backend/src/server/api/endpoints/admin/roles/users.ts b/packages/backend/src/server/api/endpoints/admin/roles/users.ts
index ec1e86fec9..930d3fee40 100644
--- a/packages/backend/src/server/api/endpoints/admin/roles/users.ts
+++ b/packages/backend/src/server/api/endpoints/admin/roles/users.ts
@@ -58,7 +58,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 			const query = this.queryService.makePaginationQuery(this.roleAssignmentsRepository.createQueryBuilder('assign'), ps.sinceId, ps.untilId)
 				.andWhere('assign.roleId = :roleId', { roleId: role.id })
 				.andWhere(new Brackets(qb => { qb
-					.where('assign.expiresAt IS NOT NULL')
+					.where('assign.expiresAt IS NULL')
 					.orWhere('assign.expiresAt > :now', { now: new Date() });
 				}))
 				.innerJoinAndSelect('assign.user', 'user');
diff --git a/packages/backend/src/server/api/endpoints/roles/users.ts b/packages/backend/src/server/api/endpoints/roles/users.ts
index 2a8684e6d7..607dc24206 100644
--- a/packages/backend/src/server/api/endpoints/roles/users.ts
+++ b/packages/backend/src/server/api/endpoints/roles/users.ts
@@ -58,7 +58,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 			const query = this.queryService.makePaginationQuery(this.roleAssignmentsRepository.createQueryBuilder('assign'), ps.sinceId, ps.untilId)
 				.andWhere('assign.roleId = :roleId', { roleId: role.id })
 				.andWhere(new Brackets(qb => { qb
-					.where('assign.expiresAt IS NOT NULL')
+					.where('assign.expiresAt IS NULL')
 					.orWhere('assign.expiresAt > :now', { now: new Date() });
 				}))
 				.innerJoinAndSelect('assign.user', 'user');