foo.diff

diff --git a/devtools/client/debugger/src/client/firefox/commands.js b/devtools/client/debugger/src/client/firefox/commands.js
index 8343a059d6e1..dfcf853cf529 100644
--- a/devtools/client/debugger/src/client/firefox/commands.js
+++ b/devtools/client/debugger/src/client/firefox/commands.js
@@ -127,13 +127,9 @@ function forEachThread(iteratee) {
   // going out of sync.
   const mainThreadPromise = iteratee(threadFront);
   const workerPromises = listWorkerThreadFronts().map(t => {
-    try {
-      iteratee(t);
-    } catch (e) {
       // If a worker thread shuts down while sending the message then it will
       // throw. Ignore these errors.
-      console.error(e);
-    }
+      iteratee(t).catch((e) => console.error(e));
   });
   return Promise.all([mainThreadPromise, ...workerPromises]);
 }