diff --git a/src/pretix/static/pretixcontrol/js/ui/editor.js b/src/pretix/static/pretixcontrol/js/ui/editor.js
index d91f587a7..5df1b3dda 100644
--- a/src/pretix/static/pretixcontrol/js/ui/editor.js
+++ b/src/pretix/static/pretixcontrol/js/ui/editor.js
@@ -1115,7 +1115,7 @@ var editor = {
     },
 
     _on_keydown: function (e) {
-        var step = e.shiftKey ? editor._mm2px(10) : editor._mm2px(1);
+        var step = editor._mm2px(e.shiftKey ? 10 : (e.altKey ? 0.1 : 1));
         var thing = editor.fabric.getActiveObject();
         if ($("#source-container").is(':visible')) {
             return true;