diff --git a/components/style/properties/data.py b/components/style/properties/data.py
index 3ca9d347157..df1c8d2890a 100644
--- a/components/style/properties/data.py
+++ b/components/style/properties/data.py
@@ -4,7 +4,7 @@
 
 import re
 
-PHYSICAL_SIDES = ["top", "left", "bottom", "right"]
+PHYSICAL_SIDES = ["top", "right", "bottom", "left"]
 LOGICAL_SIDES = ["block-start", "block-end", "inline-start", "inline-end"]
 PHYSICAL_SIZES = ["width", "height"]
 LOGICAL_SIZES = ["block-size", "inline-size"]
diff --git a/components/style/properties/helpers.mako.rs b/components/style/properties/helpers.mako.rs
index 017996f87b5..ff6670c3274 100644
--- a/components/style/properties/helpers.mako.rs
+++ b/components/style/properties/helpers.mako.rs
@@ -759,7 +759,7 @@
 
 <%def name="four_sides_shorthand(name, sub_property_pattern, parser_function,
                                  needs_context=True, allow_quirks=False, **kwargs)">
-    <% sub_properties=' '.join(sub_property_pattern % side for side in ['top', 'right', 'bottom', 'left']) %>
+    <% sub_properties=' '.join(sub_property_pattern % side for side in PHYSICAL_SIDES) %>
     <%call expr="self.shorthand(name, sub_properties=sub_properties, **kwargs)">
         #[allow(unused_imports)]
         use parser::Parse;