diff --git a/netbox/dcim/models/__init__.py b/netbox/dcim/models/__init__.py
index 4ff15141c..8c969c7fe 100644
--- a/netbox/dcim/models/__init__.py
+++ b/netbox/dcim/models/__init__.py
@@ -395,7 +395,7 @@ class RackElevationHelperMixin:
                 fill='black'
             )
         )
-        link.add(drawing.rect(start, end, fill='#{}'.format(color)))
+        link.add(drawing.rect(start, end, style='fill: #{}'.format(color), class_='slot'))
         hex_color = '#{}'.format(foreground_color(color))
         link.add(drawing.text(device.name, insert=text, fill=hex_color))