diff --git a/panels/gcode_macros.py b/panels/gcode_macros.py
index f1bf1b63..04a5caab 100644
--- a/panels/gcode_macros.py
+++ b/panels/gcode_macros.py
@@ -117,9 +117,9 @@ class MacroPanel(ScreenPanel):
     def change_sort(self, widget):
         self.sort_reverse ^= True
         if self.sort_reverse:
-            self.sort_btn.set_image(self._gtk.Image("arrow-down", self.bts))
+            self.sort_btn.set_image(self._gtk.Image("arrow-down", self._gtk.img_scale * self.bts))
         else:
-            self.sort_btn.set_image(self._gtk.Image("arrow-up", self.bts))
+            self.sort_btn.set_image(self._gtk.Image("arrow-up", self._gtk.img_scale * self.bts))
         self.sort_btn.show()
 
         GLib.idle_add(self.reload_macros)