diff --git a/bin/generate.js b/bin/generate.js
index a7dcf8b..23bb30f 100755
--- a/bin/generate.js
+++ b/bin/generate.js
@@ -90,7 +90,7 @@ if (args.h || args.help || args._.length > 1) {
         fs.unlinkSync('.tmp-comunica-engine.js');
     });
 
-    if (fs.existsSync(path.join(process.cwd(), 'queries.json'))) {
+    if (fs.existsSync(path.join(process.cwd(), 'queries.json')) && fs.access(path.join(process.cwd(), 'build'))) {
         fs.renameSync(path.join(process.cwd(), 'queries.json'), path.join(process.cwd(), `${destinationPath}/queries.json`));
     };
 })();