diff --git a/scenarios/s3_multipart.js b/scenarios/s3_multipart.js
index 11562a3..cfba0c6 100644
--- a/scenarios/s3_multipart.js
+++ b/scenarios/s3_multipart.js
@@ -36,14 +36,12 @@ const generator = datagen.generator(1024 * parseInt(__ENV.WRITE_OBJ_SIZE), __ENV
 
 const scenarios = {};
 
-const write_vu_count = parseInt(__ENV.WRITERS || '0');
 // write parts in parallel
 const write_multipart_vu_count = parseInt(__ENV.WRITERS_MULTIPART || '0');
-
 if (write_multipart_vu_count < 1) {
-  throw 'number of parts to upload in parallel should be greater than 0';
+    throw 'number of parts to upload in parallel should be greater than 0';
 }
-
+const write_vu_count = parseInt(__ENV.WRITERS || '0');
 if (write_vu_count > 0) {
     scenarios.write = {
         executor: 'constant-vus',