diff --git a/backend/src/services/secret-tag/secret-tag-service.ts b/backend/src/services/secret-tag/secret-tag-service.ts
index 62ebd8a23..1007ec4c3 100644
--- a/backend/src/services/secret-tag/secret-tag-service.ts
+++ b/backend/src/services/secret-tag/secret-tag-service.ts
@@ -19,7 +19,7 @@ export const secretTagServiceFactory = ({ secretTagDAL, permissionService }: TSe
     const { permission } = await permissionService.getProjectPermission(actor, actorId, projectId, actorOrgId);
     ForbiddenError.from(permission).throwUnlessCan(ProjectPermissionActions.Create, ProjectPermissionSub.Tags);
 
-    const existingTag = await secretTagDAL.findOne({ slug });
+    const existingTag = await secretTagDAL.findOne({ slug, projectId });
     if (existingTag) throw new BadRequestError({ message: "Tag already exist" });
 
     const newTag = await secretTagDAL.create({