diff --git a/components/style/applicable_declarations.rs b/components/style/applicable_declarations.rs
index 168aae643cd..a704741ff0b 100644
--- a/components/style/applicable_declarations.rs
+++ b/components/style/applicable_declarations.rs
@@ -6,6 +6,7 @@
 
 use crate::properties::PropertyDeclarationBlock;
 use crate::rule_tree::{CascadeLevel, StyleSource};
+use crate::stylesheets::layer_rule::LayerOrder;
 use crate::shared_lock::Locked;
 use servo_arc::Arc;
 use smallvec::SmallVec;
@@ -72,7 +73,7 @@ pub struct ApplicableDeclarationBlock {
     /// The specificity of the selector.
     pub specificity: u32,
     /// The layer order of the selector.
-    pub layer_order: u32,
+    pub layer_order: LayerOrder,
 }
 
 impl ApplicableDeclarationBlock {
@@ -87,13 +88,13 @@ impl ApplicableDeclarationBlock {
             source: StyleSource::from_declarations(declarations),
             bits: ApplicableDeclarationBits::new(0, level),
             specificity: 0,
-            layer_order: 0,
+            layer_order: LayerOrder::first(),
         }
     }
 
     /// Constructs an applicable declaration block from the given components
     #[inline]
-    pub fn new(source: StyleSource, source_order: u32, level: CascadeLevel, specificity: u32, layer_order: u32) -> Self {
+    pub fn new(source: StyleSource, source_order: u32, level: CascadeLevel, specificity: u32, layer_order: LayerOrder) -> Self {
         ApplicableDeclarationBlock {
             source,
             bits: ApplicableDeclarationBits::new(source_order, level),
diff --git a/components/style/stylist.rs b/components/style/stylist.rs
index ddcf77140e7..7e2b820498e 100644
--- a/components/style/stylist.rs
+++ b/components/style/stylist.rs
@@ -2184,7 +2184,7 @@ impl CascadeData {
                                         self.rules_source_order,
                                         CascadeLevel::UANormal,
                                         selector.specificity(),
-                                        current_layer_order.raw(),
+                                        current_layer_order,
                                     ));
                                 continue;
                             }
@@ -2767,7 +2767,7 @@ impl Rule {
         level: CascadeLevel,
     ) -> ApplicableDeclarationBlock {
         let source = StyleSource::from_rule(self.style_rule.clone());
-        ApplicableDeclarationBlock::new(source, self.source_order, level, self.specificity(), self.layer_order.raw())
+        ApplicableDeclarationBlock::new(source, self.source_order, level, self.specificity(), self.layer_order)
     }
 
     /// Creates a new Rule.