diff --git a/gdk/win32/gdksurface-win32.c b/gdk/win32/gdksurface-win32.c
index 1509866191..1a26009dd4 100644
--- a/gdk/win32/gdksurface-win32.c
+++ b/gdk/win32/gdksurface-win32.c
@@ -2291,95 +2291,87 @@ stash_window (GdkSurface          *window,
 }
 
 static void
-snap_up (GdkSurface *window)
+snap_up (GdkSurface *surface)
 {
   SHORT maxysize;
   int x, y;
   int width, height;
   GdkWin32Surface *impl;
 
-  impl = GDK_WIN32_SURFACE (window);
+  impl = GDK_WIN32_SURFACE (surface);
 
   impl->snap_state = GDK_WIN32_AEROSNAP_STATE_FULLUP;
 
-  stash_window (window, impl);
+  stash_window (surface, impl);
 
   maxysize = GetSystemMetrics (SM_CYVIRTUALSCREEN) / impl->surface_scale;
   x = y = 0;
-  width = gdk_surface_get_width (window);
+  width = gdk_surface_get_width (surface);
 
   y = 0;
   height = maxysize;
 
-  x = x - impl->shadow.left;
-  y = y - impl->shadow.top;
+  x = surface->x - impl->shadow.left / impl->surface_scale;
+  y = y - impl->shadow.top / impl->surface_scale;
   width += impl->shadow_x;
   height += impl->shadow_y;
 
-  /* XXX: FIXME, AeroSnap snap_up() not really working well,
-   *
-   *    * The snap_up() puts the window at the top left corner.
-   *    * Without the following call, the height maximizes but we see a spew of
-   *      "GdkToplevelSize: geometry size (x,y) exceeds bounds" warnings
-   */
-  compute_toplevel_size (window, TRUE, &width, &height);
-
-  gdk_win32_surface_move_resize (window, x, y, width, height);
+  gdk_win32_surface_move_resize (surface, x, y, width, height);
 }
 
 static void
-snap_left (GdkSurface  *window,
+snap_left (GdkSurface *surface,
            GdkMonitor *monitor,
            GdkMonitor *snap_monitor)
 {
   GdkRectangle rect;
   GdkWin32Surface *impl;
 
-  impl = GDK_WIN32_SURFACE (window);
+  impl = GDK_WIN32_SURFACE (surface);
 
   impl->snap_state = GDK_WIN32_AEROSNAP_STATE_HALFLEFT;
 
   gdk_win32_monitor_get_workarea (snap_monitor, &rect);
 
-  stash_window (window, impl);
+  stash_window (surface, impl);
 
   rect.width = rect.width / 2;
 
-  rect.x = rect.x - impl->shadow.left;
-  rect.y = rect.y - impl->shadow.top;
+  rect.x = rect.x - impl->shadow.left / impl->surface_scale;
+  rect.y = rect.y - impl->shadow.top / impl->surface_scale;
   rect.width = rect.width + impl->shadow_x;
   rect.height = rect.height + impl->shadow_y;
 
-  gdk_win32_surface_move_resize (window,
+  gdk_win32_surface_move_resize (surface,
                                  rect.x, rect.y,
                                  rect.width, rect.height);
 }
 
 static void
-snap_right (GdkSurface  *window,
+snap_right (GdkSurface *surface,
             GdkMonitor *monitor,
             GdkMonitor *snap_monitor)
 {
   GdkRectangle rect;
   GdkWin32Surface *impl;
 
-  impl = GDK_WIN32_SURFACE (window);
+  impl = GDK_WIN32_SURFACE (surface);
 
   impl->snap_state = GDK_WIN32_AEROSNAP_STATE_HALFRIGHT;
 
   gdk_win32_monitor_get_workarea (snap_monitor, &rect);
 
-  stash_window (window, impl);
+  stash_window (surface, impl);
 
   rect.width = rect.width / 2;
   rect.x += rect.width;
 
-  rect.x = rect.x - impl->shadow.left;
-  rect.y = rect.y - impl->shadow.top;
+  rect.x = rect.x - impl->shadow.left / impl->surface_scale;
+  rect.y = rect.y - impl->shadow.top / impl->surface_scale;
   rect.width = rect.width + impl->shadow_x;
   rect.height = rect.height + impl->shadow_y;
 
-  gdk_win32_surface_move_resize (window,
+  gdk_win32_surface_move_resize (surface,
                                  rect.x, rect.y,
                                  rect.width, rect.height);
 }
@@ -3010,6 +3002,7 @@ update_fullup_indicator (GdkSurface                   *window,
   to.height = gdk_surface_get_height (window);
 
   to.y = 0;
+  to.x = window->x;
   to.height = maxysize;
   from = context->indicator_target;
 
@@ -3162,6 +3155,7 @@ start_indicator (GdkSurface                   *window,
       end_size.height = workarea.height;
       break;
     case GDK_WIN32_AEROSNAP_STATE_FULLUP:
+      start_size.x = end_size.x = window->x;
       end_size.y = 0;
       end_size.height = maxysize;
       break;