1 files changed, 1 insertions, 1 deletions
diff --git a/devtools/client/netmonitor/test/service-workers/status-codes.html b/devtools/client/netmonitor/test/service-workers/status-codes.html
index 05664d13a7..cb6f8fc535 100644
--- a/devtools/client/netmonitor/test/service-workers/status-codes.html
+++ b/devtools/client/netmonitor/test/service-workers/status-codes.html
@@ -39,7 +39,7 @@
                 }, {once: true});
               }
             });
-          }).catch(err => {
+          }).catch(() => {
             console.error("Registration failed");
           });
       }