diff --git a/components/style/gecko_bindings/structs_debug.rs b/components/style/gecko_bindings/structs_debug.rs
index 2fa43b82fcc..4cfdc5899ed 100644
--- a/components/style/gecko_bindings/structs_debug.rs
+++ b/components/style/gecko_bindings/structs_debug.rs
@@ -2596,17 +2596,17 @@ pub enum StyleDisplay {
     Contents = 24,
     WebkitBox = 25,
     WebkitInlineBox = 26,
-    Box = 27,
-    InlineBox = 28,
-    XulGrid = 29,
-    InlineXulGrid = 30,
-    XulGridGroup = 31,
-    XulGridLine = 32,
-    Stack = 33,
-    InlineStack = 34,
-    Deck = 35,
-    Groupbox = 36,
-    Popup = 37,
+    MozBox = 27,
+    MozInlineBox = 28,
+    MozGrid = 29,
+    MozInlineGrid = 30,
+    MozGridGroup = 31,
+    MozGridLine = 32,
+    MozStack = 33,
+    MozInlineStack = 34,
+    MozDeck = 35,
+    MozGroupbox = 36,
+    MozPopup = 37,
 }
 /**
  * A class for holding strong references to handle-managed objects.
diff --git a/components/style/gecko_bindings/structs_release.rs b/components/style/gecko_bindings/structs_release.rs
index 3d2bf88dbb7..11b1f6ea393 100644
--- a/components/style/gecko_bindings/structs_release.rs
+++ b/components/style/gecko_bindings/structs_release.rs
@@ -2570,17 +2570,17 @@ pub enum StyleDisplay {
     Contents = 24,
     WebkitBox = 25,
     WebkitInlineBox = 26,
-    Box = 27,
-    InlineBox = 28,
-    XulGrid = 29,
-    InlineXulGrid = 30,
-    XulGridGroup = 31,
-    XulGridLine = 32,
-    Stack = 33,
-    InlineStack = 34,
-    Deck = 35,
-    Groupbox = 36,
-    Popup = 37,
+    MozBox = 27,
+    MozInlineBox = 28,
+    MozGrid = 29,
+    MozInlineGrid = 30,
+    MozGridGroup = 31,
+    MozGridLine = 32,
+    MozStack = 33,
+    MozInlineStack = 34,
+    MozDeck = 35,
+    MozGroupbox = 36,
+    MozPopup = 37,
 }
 /**
  * A class for holding strong references to handle-managed objects.