diff --git a/app/src/browser/mailspring-window.coffee b/app/src/browser/mailspring-window.coffee
index 26762e509..180a61e26 100644
--- a/app/src/browser/mailspring-window.coffee
+++ b/app/src/browser/mailspring-window.coffee
@@ -100,8 +100,6 @@ class MailspringWindow
 
     @browserWindow.once 'window:loaded', =>
       @loaded = true
-      if @mainWindow
-        @browserWindow.setResizable(true)
       if @browserWindow.loadSettingsChangedSinceGetURL
         @browserWindow.webContents.send('load-settings-changed', @browserWindow.loadSettings)
       @emit 'window:loaded'
diff --git a/app/src/browser/window-manager.es6 b/app/src/browser/window-manager.es6
index f163cad85..b0ab1b79e 100644
--- a/app/src/browser/window-manager.es6
+++ b/app/src/browser/window-manager.es6
@@ -208,10 +208,8 @@ export default class WindowManager {
       neverClose: true,
       bootstrapScript: require.resolve('../window-bootstrap'),
       mainWindow: true,
-      width: 640, // Gets reset once app boots up
-      height: 396, // Gets reset once app boots up
-      center: true, // Gets reset once app boots up
-      resizable: false, // Gets reset once app boots up
+      width: 900, // Gets changed based on previous settings
+      height: 600, // Gets changed based on previous settings
       initializeInBackground: this.initializeInBackground,
     };