diff --git a/css/css-fonts/size-adjust-unicode-range-system-fallback-ref.html b/css/css-fonts/size-adjust-unicode-range-system-fallback-ref.html
index 46586c6f538640..c14d922a7059be 100644
--- a/css/css-fonts/size-adjust-unicode-range-system-fallback-ref.html
+++ b/css/css-fonts/size-adjust-unicode-range-system-fallback-ref.html
@@ -5,7 +5,7 @@
 <style>
 @font-face {
   font-family: large-font;
-  src: local(Ahem), url(/fonts/ahem.ttf);
+  src: local(Ahem), url(/fonts/Ahem.ttf);
   size-adjust: 1000%;
   unicode-range: U+0020;
 }
diff --git a/css/css-fonts/size-adjust-unicode-range-system-fallback.html b/css/css-fonts/size-adjust-unicode-range-system-fallback.html
index 9e1a65d0fe7f03..6cfc23fec58fe6 100644
--- a/css/css-fonts/size-adjust-unicode-range-system-fallback.html
+++ b/css/css-fonts/size-adjust-unicode-range-system-fallback.html
@@ -8,7 +8,7 @@
 <style>
 @font-face {
   font-family: large-font;
-  src: local(Ahem), url(/fonts/ahem.ttf);
+  src: local(Ahem), url(/fonts/Ahem.ttf);
   size-adjust: 1000%;
   unicode-range: U+0020;
 }