diff --git a/packages/backend/src/server/api/endpoints/admin/roles/create.ts b/packages/backend/src/server/api/endpoints/admin/roles/create.ts
index 1a2a9fb74..df60c6be9 100644
--- a/packages/backend/src/server/api/endpoints/admin/roles/create.ts
+++ b/packages/backend/src/server/api/endpoints/admin/roles/create.ts
@@ -20,7 +20,7 @@ export const paramDef = {
 		description: { type: 'string' },
 		color: { type: 'string', nullable: true },
 		iconUrl: { type: 'string', nullable: true },
-		target: { type: 'string' },
+		target: { type: 'string', enum: ['manual', 'conditional'] },
 		condFormula: { type: 'object' },
 		isPublic: { type: 'boolean' },
 		isModerator: { type: 'boolean' },
diff --git a/packages/backend/src/server/api/endpoints/admin/roles/update.ts b/packages/backend/src/server/api/endpoints/admin/roles/update.ts
index c9f4a9fed..b939ccdbf 100644
--- a/packages/backend/src/server/api/endpoints/admin/roles/update.ts
+++ b/packages/backend/src/server/api/endpoints/admin/roles/update.ts
@@ -28,7 +28,7 @@ export const paramDef = {
 		description: { type: 'string' },
 		color: { type: 'string', nullable: true },
 		iconUrl: { type: 'string', nullable: true },
-		target: { type: 'string' },
+		target: { type: 'string', enum: ['manual', 'conditional'] },
 		condFormula: { type: 'object' },
 		isPublic: { type: 'boolean' },
 		isModerator: { type: 'boolean' },