diff --git a/layout/reftests/font-matching/emoji-fallback-1-ref.html b/layout/reftests/font-matching/emoji-fallback-1-ref.html
index 0d26ef9629cc..3c0438cc12bc 100644
--- a/layout/reftests/font-matching/emoji-fallback-1-ref.html
+++ b/layout/reftests/font-matching/emoji-fallback-1-ref.html
@@ -5,7 +5,7 @@
 <title>emoji fallback</title>
 <style>
 #test {
-  font-family: 'Segoe UI Emoji', 'Apple Color Emoji', 'Noto Color Emoji', 'Twemoji Mozilla';
+  font-family: 'Segoe UI Emoji', 'Apple Color Emoji', 'Twemoji Mozilla', 'Noto Color Emoji';
   font-size: 24pt;
 }
 </style>
diff --git a/layout/reftests/font-matching/emoji-fallback-3-ref.html b/layout/reftests/font-matching/emoji-fallback-3-ref.html
index 9320cd9959b3..f14c9099fb14 100644
--- a/layout/reftests/font-matching/emoji-fallback-3-ref.html
+++ b/layout/reftests/font-matching/emoji-fallback-3-ref.html
@@ -5,7 +5,7 @@
 <title>emoji fallback to color font</title>
 <style>
 #test {
-  font-family: 'Segoe UI Emoji', 'Apple Color Emoji', 'Noto Color Emoji', 'Twemoji Mozilla';
+  font-family: 'Segoe UI Emoji', 'Apple Color Emoji', 'Twemoji Mozilla', 'Noto Color Emoji';
   font-size: 24pt;
 }
 </style>