diff --git a/devtools/client/framework/source-map-worker.js b/devtools/client/framework/source-map-worker.js
index b6ac2c121f..ec269778b8 100644
--- a/devtools/client/framework/source-map-worker.js
+++ b/devtools/client/framework/source-map-worker.js
@@ -87,7 +87,8 @@ async function _resolveAndFetch(generatedSource) : SourceMapConsumer {
   // Fetch the sourcemap over the network and create it.
   const sourceMapURL = _resolveSourceMapURL(generatedSource);
   const fetched = await fetch(
-    sourceMapURL, { loadFromCache: false }
+    sourceMapURL, { loadFromCache: false,
+                    redirect: error }
   );
 
   // Create the source map and fix it up.