diff --git a/src/main-process/atom-application.js b/src/main-process/atom-application.js
index cccde1b35..d657d9f22 100644
--- a/src/main-process/atom-application.js
+++ b/src/main-process/atom-application.js
@@ -258,7 +258,7 @@ class AtomApplication extends EventEmitter {
 
     if (shouldReopenPreviousWindows) {
       for (const previousOptions of await this.loadPreviousWindowOptions()) {
-        optionsForWindowsToOpen.push(Object.assign({}, options, previousOptions))
+        optionsForWindowsToOpen.push(previousOptions)
       }
     }