diff --git a/lib/api/github.js b/lib/api/github.js
index da7bbff387dac541fc1ef5793987be96b7fcc164..f0dd4555f36c225c6aa206797d9cf349af5533d4 100644
--- a/lib/api/github.js
+++ b/lib/api/github.js
@@ -595,7 +595,7 @@ async function mergePr(pr) {
             { err: err3 },
             `Failed to ${options.body.merge_method} PR`
           );
-          logger.warn('All merge attempts failed');
+          logger.warn({ pr: pr.number }, 'All merge attempts failed');
           return;
         }
       }