diff --git a/bin/generate.js b/bin/generate.js
index 201f2181..3fd372b2 100755
--- a/bin/generate.js
+++ b/bin/generate.js
@@ -34,7 +34,7 @@ if (args.h || args.help || args._.length > 1) {
     const mainModulePath = args.c || (args._[0] ? process.cwd() : path.resolve(__dirname, '..'));
     const configResourceUri = 'urn:comunica:default:Runner';
     const exportVariableName = 'urn:comunica:default:init/actors#query';
-    await compileConfig(mainModulePath, comunicaConfig, configResourceUri, exportVariableName, undefined, true)
+    await compileConfig(mainModulePath, comunicaConfig, configResourceUri, exportVariableName, true, true)
         .then(out => {
             // This instantiation is unneeded (MUST be done for excluding Components.js in browser environnments)
             out = out.replace('new (require(\'@comunica/runner\').Runner)', '');
diff --git a/src/ldf-client-worker.js b/src/ldf-client-worker.js
index 3855af0c..86391b9e 100644
--- a/src/ldf-client-worker.js
+++ b/src/ldf-client-worker.js
@@ -21,7 +21,7 @@ const workerToWindowHandler = new WorkerToWindowHandler(self);
 function initEngine(config) {
   // Create an engine lazily
   if (!engine)
-    engine = new QueryEngineBase(require('my-comunica-engine'));
+    engine = new QueryEngineBase(require('my-comunica-engine')());
 
   // Set up a proxy handler
   if (config.context.httpProxy)