diff --git a/server/src/fetchers/session-fetchers.js b/server/src/fetchers/session-fetchers.js
index 5f9e94f93..32931ed41 100644
--- a/server/src/fetchers/session-fetchers.js
+++ b/server/src/fetchers/session-fetchers.js
@@ -1,45 +1,45 @@
 // @flow
 
 import type { CalendarQuery } from 'lib/types/entry-types';
 
 import { dbQuery, SQL } from '../database/database';
 import type { Viewer } from '../session/viewer';
 
 type CalendarSessionResult = {|
   userID: string,
   session: string,
   calendarQuery: CalendarQuery,
 |};
 async function fetchActiveSessionsForThread(
   threadID: string,
 ): Promise<CalendarSessionResult[]> {
   const query = SQL`
     SELECT s.id, s.user, s.query
     FROM memberships m
     LEFT JOIN sessions s ON s.user = m.user
-    WHERE m.thread = ${threadID} AND m.role >= 0 
+    WHERE m.thread = ${threadID} AND m.role > 0
       AND s.query IS NOT NULL
   `;
   const [result] = await dbQuery(query);
   const filters = [];
   for (const row of result) {
     filters.push({
       userID: row.user.toString(),
       session: row.id.toString(),
       calendarQuery: row.query,
     });
   }
   return filters;
 }
 
 async function fetchOtherSessionsForViewer(viewer: Viewer): Promise<string[]> {
   const query = SQL`
     SELECT id
     FROM sessions
     WHERE user = ${viewer.userID} AND id != ${viewer.session}
   `;
   const [result] = await dbQuery(query);
   return result.map((row) => row.id.toString());
 }
 
 export { fetchActiveSessionsForThread, fetchOtherSessionsForViewer };