diff --git a/integrations/mediawiki.js b/integrations/mediawiki.js
index aa022c5..8acd394 100644
--- a/integrations/mediawiki.js
+++ b/integrations/mediawiki.js
@@ -44,7 +44,7 @@ module.exports = async function(robot, kredits) {
         kind: 'docs'
       };
 
-      return Operator.addProposal(contribution).catch(error => {
+      return Proposal.addProposal(contribution).catch(error => {
         robot.logger.error(`[hubot-kredits] Adding proposal failed:`, error);
       });
     }).catch(() => {