diff --git a/src/sharding/Shard.js b/src/sharding/Shard.js
index e5d50b19f..a7aa868cb 100644
--- a/src/sharding/Shard.js
+++ b/src/sharding/Shard.js
@@ -38,9 +38,9 @@ class Shard extends EventEmitter {
 
     /**
      * Arguments for the shard's process executable
-     * @type {string[]}
+     * @type {?string[]}
      */
-    this.execArgv = manager.execArgv || [];
+    this.execArgv = manager.execArgv;
 
     /**
      * Environment variables for the shard's process