diff --git a/components/style/properties/gecko.mako.rs b/components/style/properties/gecko.mako.rs
index 4271b424bf1..60acde9e18b 100644
--- a/components/style/properties/gecko.mako.rs
+++ b/components/style/properties/gecko.mako.rs
@@ -1660,11 +1660,7 @@ fn static_assert() {
 
     pub fn clone_font_size_adjust(&self) -> longhands::font_size_adjust::computed_value::T {
         use properties::longhands::font_size_adjust::computed_value::T;
-
-        match self.gecko.mFont.sizeAdjust {
-            -1.0 => T::None,
-            _ => T::Number(self.gecko.mFont.sizeAdjust),
-        }
+        T::from_gecko_adjust(self.gecko.mFont.sizeAdjust)
     }
 
     #[allow(non_snake_case)]
diff --git a/components/style/properties/longhand/font.mako.rs b/components/style/properties/longhand/font.mako.rs
index 6691603499f..86f4666b322 100644
--- a/components/style/properties/longhand/font.mako.rs
+++ b/components/style/properties/longhand/font.mako.rs
@@ -1064,9 +1064,10 @@ ${helpers.single_keyword_system("font-variant-caps",
 
         impl T {
             pub fn from_gecko_adjust(gecko: f32) -> Self {
-                match gecko {
-                    -1.0 => T::None,
-                    _ => T::Number(gecko),
+                if gecko == -1.0 {
+                    T::None
+                } else {
+                    T::Number(gecko)
                 }
             }
         }
diff --git a/rust-commit-hash b/rust-commit-hash
index 15a99fcc6bd..22a3daa7544 100644
--- a/rust-commit-hash
+++ b/rust-commit-hash
@@ -1 +1 @@
-ced823e267c132fab172b1890b24073995e79ffa
+e17a1227ac779a181b2839998e26a7e4e434c2a0