diff --git a/src/util/util.ts b/src/util/util.ts
index 7aa85085e2a..2d5f4145f6d 100644
--- a/src/util/util.ts
+++ b/src/util/util.ts
@@ -56,10 +56,10 @@ export function spawnNpmProduction(command: string, appDir: string, forceBuildFr
 
   if (additionalArgs) {
     if (Array.isArray(additionalArgs)) {
-      additionalArgs.push(...additionalArgs)
+      npmExecArgs.push(...additionalArgs)
     }
     else {
-      additionalArgs.push(additionalArgs)
+      npmExecArgs.push(additionalArgs)
     }
   }
 
@@ -324,4 +324,4 @@ export function getCacheDirectory(): string {
   else {
     return path.join(homedir(), ".cache", "electron-builder")
   }
-}
\ No newline at end of file
+}