diff --git a/atom/browser/native_window_gtk.cc b/atom/browser/native_window_gtk.cc
index 205201e5b7f..0b49b0420c7 100644
--- a/atom/browser/native_window_gtk.cc
+++ b/atom/browser/native_window_gtk.cc
@@ -266,10 +266,10 @@ void NativeWindowGtk::SetContentSize(const gfx::Size& size) {
   if (!has_frame_ || !has_ever_been_shown_) {
     gtk_window_util::SetWindowSize(window_, size);
   } else {
-    gfx::Size window_size = GetSize();
-    gfx::Size content_size = GetContentSize();
-    gfx::Size target(size.width() + window_size.width() - content_size.width(),
-                     size.height() + window_size.height() - content_size.height());
+    gfx::Size large = GetSize();
+    gfx::Size small = GetContentSize();
+    gfx::Size target(size.width() + large.width() - small.width(),
+                     size.height() + large.height() - small.height());
     gtk_window_util::SetWindowSize(window_, target);
   }
 }